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If you are looking for the perfect irish baby boy name that . You are in luck! We have collected the ultimate list of irish baby boy name beginning with to make your baby name hunt easy and delightful. At the time of considering what name to give your baby, Life care legacy present popular irish baby boy names that make strong and unique names for your babies. irish baby names starting with have noway been further popular! Discover rare baby boy name, the stylish options for boy middle names that start with E, and more! And if you love these boy names and want to explore the other letters of the ABC, check out our complete list of irish boy names from A-Z.
| SL. | NAME | LISTEN | See | |
|---|---|---|---|---|
| 1. | Aaron | Mountain of Strength, Exalted One | Meaning & Detail | |
| 2. | Aban | Bloom of Love, Little Abbot | Meaning & Detail | |
| 3. | Abracham | Form of Abraham | Meaning & Detail | |
| 4. | Acobhran | Translation of Latin Desiderius | Meaning & Detail | |
| 5. | Adamnan | Little Adam, Name of an Abbot | Meaning & Detail | |
| 6. | Adare | From the Ford of the Oak Tree | Meaning & Detail | |
| 7. | Adhamh | Son of the Red Earth, In the Bible | Meaning & Detail | |
| 8. | Adhamhnan | Little Adam, Variant of Adamnan | Meaning & Detail | |
| 9. | Aeda | Of Aed | Meaning & Detail | |
| 10. | Aedan | Little Fire, Born of Fire | Meaning & Detail | |
| 11. | Aedgen | Born of Fire | Meaning & Detail | |
| 12. | Affiath | Name of a Saint | Meaning & Detail | |
| 13. | Aghy | Friend of Horses | Meaning & Detail | |
| 14. | Aguistin | Worthy of Respect, Majestic | Meaning & Detail | |
| 15. | Agustin | Great, Magnificent, Worthy of | Meaning & Detail | |
| 16. | Ahearn | Lord of the Horses, A Horsekeeper | Meaning & Detail | |
| 17. | Ahern | Lord of the Horses | Meaning & Detail | |
| 18. | Ahktock | Full of Prowess | Meaning & Detail | |
| 19. | Aichlinn | A Form of Echlin | Meaning & Detail | |
| 20. | Aiden | Born of Fire | Meaning & Detail | |
| 21. | Ailbhis | All Knowing, Name of Saint | Meaning & Detail | |
| 22. | Ailen | Made of Oak, Handsome | Meaning & Detail | |
| 23. | Aileran | Name of a Saint, Wise One | Meaning & Detail | |
| 24. | Ailill | A Sprite, An Elf, Mythical King of | Meaning & Detail | |
| 25. | Ainnle | One of the Sons of Usna, Fierce | Meaning & Detail | |
| 26. | Airdin | Diminutive of Artgal / Ardgar | Meaning & Detail | |
| 27. | Aizen | Powerful and Complete, Of Buddhist | Meaning & Detail | |
| 28. | Alain | From Le Gros One of the Fisher | Meaning & Detail | |
| 29. | Alan | God of Shine, Handsome, Cheerful | Meaning & Detail | |
| 30. | Alanson | Rock, Comely, Son of Allan | Meaning & Detail | |
| 31. | Alastar | Protector of Mankind | Meaning & Detail | |
| 32. | Alaster | Defender of Man, Man's Defender | Meaning & Detail | |
| 33. | Alex | Form of Alexander, Helper and | Meaning & Detail | |
| 34. | Alexander | Helper / Protector / Defender of | Meaning & Detail | |
| 35. | Alfred | Wise Counsellor, Name of a King | Meaning & Detail | |
| 36. | Alick | Defender of Men, Defender of | Meaning & Detail | |
| 37. | Alister | Defender of Mankind, Warrior | Meaning & Detail | |
| 38. | Allen | Form of Alan, Noble, Comely | Meaning & Detail | |
| 39. | Allister | Warrior, Variant of Alexander | Meaning & Detail | |
| 40. | Alsandair | Protector / Defender of Mankind | Meaning & Detail | |
| 41. | Alsander | Helper of Man | Meaning & Detail | |
| 42. | Amargein | Birth of Song | Meaning & Detail | |
| 43. | Amergin | Born of Song, Poet | Meaning & Detail | |
| 44. | Amhalgaidh | Son of Amhalghadh | Meaning & Detail | |
| 45. | Amhlaoibh | Irish Form of Olaf | Meaning & Detail | |
| 46. | Anaslis | Glorious Position, Stand of Glory | Meaning & Detail | |
| 47. | Andreas | Brave, Of a Man, Warrior | Meaning & Detail | |
| 48. | Angel | Messenger of God, Angel, Messenger | Meaning & Detail | |
| 49. | Ann | Graceful, Merciful, Name of a | Meaning & Detail | |
| 50. | Anraoi | Lord of the Manor, House Owner | Meaning & Detail | |
| 51. | Antoine | Worthy of Admiration, Inestimable | Meaning & Detail | |
| 52. | Anu | An Atom, Angel, Messenger of God | Meaning & Detail | |
| 53. | Aodhagan | Dark, Ardent, Of the Sun God, Fire | Meaning & Detail | |
| 54. | Aoghgan | Diminutive Form of Aedh | Meaning & Detail | |
| 55. | Aoidhghean | Born of Fire / Aed | Meaning & Detail | |
| 56. | Aolu | Combination of Aed / Lug | Meaning & Detail | |
| 57. | Aona | Name of Celtic God | Meaning & Detail | |
| 58. | Aonas | Name of Celtic God | Meaning & Detail | |
| 59. | Arainn | Name of Islands, The Western Coast | Meaning & Detail | |
| 60. | Arfat | Place of Pilgrimage | Meaning & Detail | |
| 61. | Argal | A Species of Wild Sheep, High | Meaning & Detail | |
| 62. | Argyle | From the Land of the Gauls / Irish | Meaning & Detail | |
| 63. | Ariv | King of Wisdom | Meaning & Detail | |
| 64. | Art | Rock, Bear, Adherent of the | Meaning & Detail | |
| 65. | Artan | The Eagle, Thor, Name of Dariush's | Meaning & Detail | |
| 66. | Artuir | Son of Arthur | Meaning & Detail | |
| 67. | Augustin | Form of Augustus, Revered | Meaning & Detail | |
| 68. | Auley | Form of Olaf | Meaning & Detail | |
| 69. | Auliffe | Form of Olaf | Meaning & Detail | |
| 70. | Avra | Father of a Multitude | Meaning & Detail | |
| 71. | Aylu | Combination of Aed / Lug | Meaning & Detail | |
| 72. | Bairthmead | Farmer, Son of Talmai | Meaning & Detail | |
| 73. | Bairtlimead | Son of Talmai | Meaning & Detail | |
| 74. | Ballindeny | From the Town of Oak Wood | Meaning & Detail | |
| 75. | Bantry | Descendants of, Place of, Beann's | Meaning & Detail | |
| 76. | Barnaby | Son of Consolation, Prophet, Son | Meaning & Detail | |
| 77. | Barr | Gateway, Form of Barretta, A Cap | Meaning & Detail | |
| 78. | Bary | Form of Barry, Dweller of the | Meaning & Detail | |
| 79. | Basant | Spring, Season of Spring, Happy | Meaning & Detail | |
| 80. | Beag | Small, Little, Variant of Beacan | Meaning & Detail | |
| 81. | Beaglaioch | Descendant of the Little Hero | Meaning & Detail | |
| 82. | Bealtaine | Month of May | Meaning & Detail | |
| 83. | Bearnad | Courage of a Bear | Meaning & Detail | |
| 84. | Beartlai | Son of Talmai, Farmer | Meaning & Detail | |
| 85. | Beatie | Bringer of Gladness, Blesses | Meaning & Detail | |
| 86. | Beattie | Bringer of Gladness, Blesses | Meaning & Detail | |
| 87. | Beatty | Bringer of Gladness, Blesses | Meaning & Detail | |
| 88. | Beaty | Bringer of Gladness | Meaning & Detail | |
| 89. | Bec | Small, Diminutive of Beacan | Meaning & Detail | |
| 90. | Beigleighinn | Descendant of the Little Scholar | Meaning & Detail | |
| 91. | Beinean | Good, Variant of Beanon | Meaning & Detail | |
| 92. | Beiniaimin | Son of the Right Hand (Favourite | Meaning & Detail | |
| 93. | Beinidict | Name of a Saint | Meaning & Detail | |
| 94. | Bel | God of Fire / Sun, Sacred Wood | Meaning & Detail | |
| 95. | Bellaghy | Wet Place, Mouth of the Marsh | Meaning & Detail | |
| 96. | Benjamin | Right Hand's Son, Born of the | Meaning & Detail | |
| 97. | Berk | Man of Strength, From the Birch | Meaning & Detail | |
| 98. | Bhrighde | Son of the Devotee of Saint Brigid | Meaning & Detail | |
| 99. | Billy | Resolute Protector, Form of | Meaning & Detail | |
| 100. | Blane | Slender, Thin, Variant of Blaine | Meaning & Detail | |
| 101. | Blathnat | Warrior from the Land of Lochs | Meaning & Detail | |
| 102. | Blayne | Slender, Thin, Variant of Blaine | Meaning & Detail | |
| 103. | Bohannon | Son of Owen | Meaning & Detail | |
| 104. | Boine | White Cow, Variant of Boyne | Meaning & Detail | |
| 105. | Bonnar | Debonair, Variant of Bonar, Gentle | Meaning & Detail | |
| 106. | Bow | Small Son, Blond, Diminutive of | Meaning & Detail | |
| 107. | Boyd | Son of the Yellow Haired, Blond | Meaning & Detail | |
| 108. | Bradain | Descendant of Bradan | Meaning & Detail | |
| 109. | Bradey | Spirited, A Form of Brady | Meaning & Detail | |
| 110. | Brakawn | Diminutive of Brecc | Meaning & Detail | |
| 111. | Bram | Bramble, Raven, Father of Many, He | Meaning & Detail | |
| 112. | Brandan | Beacon Hill, Sword, Name of a | Meaning & Detail | |
| 113. | Brannan | Variant of Brandon | Meaning & Detail | |
| 114. | Brannen | Variant of Brandon | Meaning & Detail | |
| 115. | Breannain | Name of a Saint, Prince | Meaning & Detail | |
| 116. | Brecc | Name of a King | Meaning & Detail | |
| 117. | Brenden | Little Raven, Prince, Variant of | Meaning & Detail | |
| 118. | Brenn | Prince, Variant of Brendan | Meaning & Detail | |
| 119. | Brennon | Prince, Variant of Brendan | Meaning & Detail | |
| 120. | Brett | From Britain, A Breton, Native of | Meaning & Detail | |
| 121. | Briant | Great National Hero of Ireland, He | Meaning & Detail | |
| 122. | Bris | God of Fertility and Agriculture | Meaning & Detail | |
| 123. | Broderick | Descendant of Bruadar, From the | Meaning & Detail | |
| 124. | Bryan | Honourable, Form of Brian | Meaning & Detail | |
| 125. | Bryen | Variant of Bryan, Strength | Meaning & Detail | |
| 126. | Buckley | From a Clearing of Goats, Deer | Meaning & Detail | |
| 127. | Burhan | Proof, Evidence | Meaning & Detail | |
| 128. | Burney | Lives on the Brook Island, Form of | Meaning & Detail | |
| 129. | Byrne | Descendant of Bran, From the | Meaning & Detail | |
| 130. | Cacanisius | Son of Nis | Meaning & Detail | |
| 131. | Cace | Vigorous, Variant of Casey, Alert | Meaning & Detail | |
| 132. | Cacey | Variant of Casey, Alert, Vigorous | Meaning & Detail | |
| 133. | Cadden | Spirit of Battle | Meaning & Detail | |
| 134. | Caden | Barrel, Fighter, The Spirit of | Meaning & Detail | |
| 135. | Cael | Slim, A Warrior of the Fianna | Meaning & Detail | |
| 136. | Cagney | Descendant of Advocate, Surname | Meaning & Detail | |
| 137. | Cailym | Pillar of the Church | Meaning & Detail | |
| 138. | Caireall | Of the Lord, Free Man | Meaning & Detail | |
| 139. | Caireallain | Descendant of Caireallan | Meaning & Detail | |
| 140. | Cairell | Name of Irish King | Meaning & Detail | |
| 141. | Caley | Slight, Variant of Cailean | Meaning & Detail | |
| 142. | Calin | Powerful Warrior, Variant of | Meaning & Detail | |
| 143. | Callan | Battle, Rock, Descendant of | Meaning & Detail | |
| 144. | Camy | Champion, Variant of Camey | Meaning & Detail | |
| 145. | Caoilte | Swift of Foot, Hard | Meaning & Detail | |
| 146. | Caomhanach | Student / Follower of Saint | Meaning & Detail | |
| 147. | Carman | Lord of the Castle | Meaning & Detail | |
| 148. | Carmen | Garden, Orchard, Son of | Meaning & Detail | |
| 149. | Carran | Loving, Kind Hearted, Son of | Meaning & Detail | |
| 150. | Carson | Mossy Place, Son of the | Meaning & Detail | |
| 151. | Cartagh | Loving, Variant of Carthach | Meaning & Detail | |
| 152. | Carthage | The Anglicised Form of the Irish | Meaning & Detail | |
| 153. | Carthaig | The Loving One, Son of Carthach | Meaning & Detail | |
| 154. | Cary | Man, Place name, Pretty Brook, Of | Meaning & Detail | |
| 155. | Cas | King of the Treasure | Meaning & Detail | |
| 156. | Case | Container, Bringer of Peace, Box | Meaning & Detail | |
| 157. | Cassair | Variant of Cass (Curly Haired) | Meaning & Detail | |
| 158. | Cathan | Little Battle, Of the Battle | Meaning & Detail | |
| 159. | Caulan | Powerful Warrior, Variant of | Meaning & Detail | |
| 160. | Cavanagh | Follower of Kevin | Meaning & Detail | |
| 161. | Cavanaugh | Follower of Kevin | Meaning & Detail | |
| 162. | Celsus | Name of a Saint | Meaning & Detail | |
| 163. | Ceollach | Name of a Saint | Meaning & Detail | |
| 164. | Chad | Of Great Love, Warrior, Warlike | Meaning & Detail | |
| 165. | Channon | Form of Shannon, Wise One, Young | Meaning & Detail | |
| 166. | Charlo | Settlement of Free Men, Peasant | Meaning & Detail | |
| 167. | Che | Name of Lord Shiva / Vishnu | Meaning & Detail | |
| 168. | Chonnacht | Hound of the Connachtmen | Meaning & Detail | |
| 169. | Chriost | Servant of Christ, Christian | Meaning & Detail | |
| 170. | Christian | Follower of Christ, Anointed | Meaning & Detail | |
| 171. | Christopher | Christ-bearer, To Carry, Bearer of | Meaning & Detail | |
| 172. | Chulain | Hound of Culain | Meaning & Detail | |
| 173. | Ciardha | Black Haired, Variant of Ciaran | Meaning & Detail | |
| 174. | Ciarmhaic | Descendant of Ciarmhac, Black Son | Meaning & Detail | |
| 175. | Cinaed | Born of Fire | Meaning & Detail | |
| 176. | Cinaeda | Born of Fire | Meaning & Detail | |
| 177. | Cinaeth | Born of Fire | Meaning & Detail | |
| 178. | Cinnead | Born of Fire | Meaning & Detail | |
| 179. | Cinneath | Born of Fire | Meaning & Detail | |
| 180. | Cinneide | Lord, Helmeted, Descendant of a | Meaning & Detail | |
| 181. | Cinneidigh | Variant of Cinneidid, Helmeted | Meaning & Detail | |
| 182. | Cionadh | Born of Fire | Meaning & Detail | |
| 183. | Cionaodh | Born of Fire | Meaning & Detail | |
| 184. | Cionaoth | Born of Fire | Meaning & Detail | |
| 185. | Clancy | The Son of the Red Warrior, Ruddy | Meaning & Detail | |
| 186. | Clemens | Gentle, Merciful, Mild, Form of | Meaning & Detail | |
| 187. | Cliffony | Grove of the Hurdles | Meaning & Detail | |
| 188. | Coan | Son of Comhdhan | Meaning & Detail | |
| 189. | Cody | Descendant of the Helpful One | Meaning & Detail | |
| 190. | Coilean | Lord, Descendant of a Lord | Meaning & Detail | |
| 191. | Coireall | Of the Lord, Lordly | Meaning & Detail | |
| 192. | Colen | Victory of the People | Meaning & Detail | |
| 193. | Colin | Victory of the People, Young Boy | Meaning & Detail | |
| 194. | Collins | Victory of the People | Meaning & Detail | |
| 195. | Collyn | Victor, Victory of the People | Meaning & Detail | |
| 196. | Colm | Dove, Devotee of St | Meaning & Detail | |
| 197. | Colmain | Dove, Descendant of Colman | Meaning & Detail | |
| 198. | Colman | Charcoal Burner, Follower of | Meaning & Detail | |
| 199. | Colmkilla | Dove of the Church | Meaning & Detail | |
| 200. | Coltair | Name of Place | Meaning & Detail | |
| 201. | Columbcille | Dove of the Church | Meaning & Detail | |
| 202. | Comdhan | Twin, Variant of Comhghan | Meaning & Detail | |
| 203. | Conchobair | Lover of Wolves | Meaning & Detail | |
| 204. | Conchobar | Lover of Wolves, Mythical Hero | Meaning & Detail | |
| 205. | Conchobuir | Lover of Hounds | Meaning & Detail | |
| 206. | Conchubhar | Lover of Hounds, Wolf Lover | Meaning & Detail | |
| 207. | Conchubor | Lover of Hounds | Meaning & Detail | |
| 208. | Conchur | Lover of Wolves | Meaning & Detail | |
| 209. | Congalaich | Ruler's name, Son of Maelsechlainn | Meaning & Detail | |
| 210. | Conlaodh | Purifying Fire, Fire of Purity | Meaning & Detail | |
| 211. | Connar | Lover of Hounds, Hunter | Meaning & Detail | |
| 212. | Connemara | Hound of the Sea | Meaning & Detail | |
| 213. | Connery | Warrior Lord, Child of the Hunting | Meaning & Detail | |
| 214. | Connolly | Descendant of Conghal, Wise, Brave | Meaning & Detail | |
| 215. | Conway | Hound of the Plain, Holy River | Meaning & Detail | |
| 216. | Cony | Hill Hollow, Variant of Corey Hill | Meaning & Detail | |
| 217. | Cooey | Hound of the Plains | Meaning & Detail | |
| 218. | Cooley | Hound of Ulster | Meaning & Detail | |
| 219. | Coolie | Hound of Ulster | Meaning & Detail | |
| 220. | Corky | Hill, Hollow, Variant of Corey | Meaning & Detail | |
| 221. | Cormac | Charioteer, Son of Raven, Son | Meaning & Detail | |
| 222. | Cormick | Variant of Cormac, Charioteer | Meaning & Detail | |
| 223. | Covey | Hound of the Plains | Meaning & Detail | |
| 224. | Cranait | Name of a Saint | Meaning & Detail | |
| 225. | Crimthaind | Son of Woodsman, Great Fox | Meaning & Detail | |
| 226. | Criostal | Bearer of Christ | Meaning & Detail | |
| 227. | Cruchuar | Lover of Wolves | Meaning & Detail | |
| 228. | Cuain | Descendant of Conn | Meaning & Detail | |
| 229. | CuChonnacht | Hound of the Connachtmen | Meaning & Detail | |
| 230. | Cuchulainn | Mythical Hound of Culann | Meaning & Detail | |
| 231. | CuCoigriche | Hound of the Border | Meaning & Detail | |
| 232. | Cuilinn | Garden of Holly | Meaning & Detail | |
| 233. | Cullen | The Son of the Holy One, Handsome | Meaning & Detail | |
| 234. | Cully | Dove, The Woods, Diminutive of | Meaning & Detail | |
| 235. | CuLuachra | Hound of Luachair | Meaning & Detail | |
| 236. | Cumhai | Hound of the Plain | Meaning & Detail | |
| 237. | CuMhaighe | Hound of the Plain | Meaning & Detail | |
| 238. | Cumhal | Son of Trenmor, Strong, Great | Meaning & Detail | |
| 239. | Cumhea | Hound of the Plains | Meaning & Detail | |
| 240. | Cummascaig | The Act of Mixing Together | Meaning & Detail | |
| 241. | Cunatami | Son of Cunotamus | Meaning & Detail | |
| 242. | Cunogennos | Man of Israel, Chief, Head | Meaning & Detail | |
| 243. | Cunogusas | Man of Israel, Chief, Head | Meaning & Detail | |
| 244. | Cunotami | Man of Israel, Chief, Head | Meaning & Detail | |
| 245. | Curoi | Field, Hound of the Battlefield / | Meaning & Detail | |
| 246. | CuUla | Hound of the Ulstermen | Meaning & Detail | |
| 247. | Cuuladh | Hound of Ulster | Meaning & Detail | |
| 248. | Cvnogvsi | Land of Conws | Meaning & Detail | |
| 249. | Cvnotami | Son of Cunotamus | Meaning & Detail | |
| 250. | Cyndaf | Chief, Head, Man of Israel, Dusky | Meaning & Detail | |
| 251. | Daagduh | God of the Earth, Father God | Meaning & Detail | |
| 252. | Dacey | Adored, Southerner, Of the | Meaning & Detail | |
| 253. | Dacian | Southerner, Of the Nobility, From | Meaning & Detail | |
| 254. | Dacy | Southerner, From South, Variant of | Meaning & Detail | |
| 255. | Dagda | God of the Earth, Father God | Meaning & Detail | |
| 256. | Daibhid | Beloved, Variant of Daibhidh | Meaning & Detail | |
| 257. | Daithm | Beloved, Variant of Daibhidh | Meaning & Detail | |
| 258. | Dal | Fighting far Away, Place name of a | Meaning & Detail | |
| 259. | Dalbhach | Full of Sorcery | Meaning & Detail | |
| 260. | Dallon | Variant of Dallin, Blind | Meaning & Detail | |
| 261. | Dalon | Variant of Dallin, Blind | Meaning & Detail | |
| 262. | Dareon | A Form of Darren, Small, Rocky | Meaning & Detail | |
| 263. | Darien | Wealthy Protector, Upholder of the | Meaning & Detail | |
| 264. | Darrah | Dark Oak, Nugget of Wisdom | Meaning & Detail | |
| 265. | Darrick | Ruler of the Land, The People's | Meaning & Detail | |
| 266. | Darrin | Great, Form of Darren, Wealthy | Meaning & Detail | |
| 267. | Darrock | Strong, Variant of Derek, Oak | Meaning & Detail | |
| 268. | Dave | Beloved, David's Son, Form of | Meaning & Detail | |
| 269. | Davey | Dearly Loved, Variant of David | Meaning & Detail | |
| 270. | Davie | Cherished, Beloved, Variant of | Meaning & Detail | |
| 271. | Deaglan | Name of a Saint | Meaning & Detail | |
| 272. | Dearbhor | Brook of the Dear | Meaning & Detail | |
| 273. | Deasmhumhan | Native of South Munster | Meaning & Detail | |
| 274. | Decklan | Saint, Man of Prayer | Meaning & Detail | |
| 275. | Declan | Man of Prayer, The name of an | Meaning & Detail | |
| 276. | Delainey | Offspring of the Challenger | Meaning & Detail | |
| 277. | Delainy | Offspring of the Challenger | Meaning & Detail | |
| 278. | Delaney | Offspring of the Challenger, From | Meaning & Detail | |
| 279. | Delany | Offspring of the Challenger | Meaning & Detail | |
| 280. | Denis | Named for Saint Denys, Follower of | Meaning & Detail | |
| 281. | Dennis | God of Wine, Mountain / Follower | Meaning & Detail | |
| 282. | Desmond | Gracious Defender, Man of the | Meaning & Detail | |
| 283. | Desmumnach | From South Munster, Man of Muman | Meaning & Detail | |
| 284. | Devaan | Divine, Worshipper of the God | Meaning & Detail | |
| 285. | Devan | Men of Devon, Divine, Like a God | Meaning & Detail | |
| 286. | Devin | Of a Little Deer, Poet, And Place | Meaning & Detail | |
| 287. | Devlen | Fierce Courage, Variant of Devlin | Meaning & Detail | |
| 288. | Devlin | Of a Little Deer, Fierce Courage | Meaning & Detail | |
| 289. | Dhe | God, Servant of God | Meaning & Detail | |
| 290. | Diancecht | God of Healing and Medicine | Meaning & Detail | |
| 291. | Dilan | Loving, Son of Waves, Faithful | Meaning & Detail | |
| 292. | Dillan | Faithful, Loyal, Form of Dillon | Meaning & Detail | |
| 293. | Dimma | Convenient, Pet Form of Diarmait | Meaning & Detail | |
| 294. | Dimmae | Convenient, Pet Form of Diarmait | Meaning & Detail | |
| 295. | Dimmai | Convenient, Pet Form of Diarmait | Meaning & Detail | |
| 296. | Diochu | Pet Form of Dicuill | Meaning & Detail | |
| 297. | Dioman | Dim, Of Diarmait, Free Man | Meaning & Detail | |
| 298. | Dionysius | Follower of Dionysius, Greek God | Meaning & Detail | |
| 299. | Dobagni | The Stone of | Meaning & Detail | |
| 300. | Doctor | The th Son of the th Son | Meaning & Detail | |
| 301. | Doibhilin | Descendant of Dobh (a Ilein ) | Meaning & Detail | |
| 302. | Dolvock | Full of Sorcery | Meaning & Detail | |
| 303. | Domnall | Ruler of the World, World Mighty | Meaning & Detail | |
| 304. | Don | Ruler of the World, Form of | Meaning & Detail | |
| 305. | Donald | Ruler of the World, Brown | Meaning & Detail | |
| 306. | Donegal | Strong Hold of the Foreigners | Meaning & Detail | |
| 307. | Donnell | Brown Haired Fighter, Variant of | Meaning & Detail | |
| 308. | Donnie | Ruler of the World, Form of Donn | Meaning & Detail | |
| 309. | Donovan | Son of the Dark One, Dark Warrior | Meaning & Detail | |
| 310. | Dore | Gift of Isis, Stranger, Exile | Meaning & Detail | |
| 311. | Dorrance | Stranger, Variant of Dorran | Meaning & Detail | |
| 312. | Dorrin | Stranger, Variant of Dorran | Meaning & Detail | |
| 313. | Duane | Dark, Form of Wayne, Wagoner | Meaning & Detail | |
| 314. | Duante | Combination of Duane / Dante | Meaning & Detail | |
| 315. | Dubhdara | Dark Man of the Oak | Meaning & Detail | |
| 316. | Dubhdarach | Black One of the Oak Tree | Meaning & Detail | |
| 317. | Dublin | Capital City of Ireland, Black | Meaning & Detail | |
| 318. | Dunkooan | Brown One of the Hound Packs | Meaning & Detail | |
| 319. | Dylan | From a Large Sea, Winner of Mind | Meaning & Detail | |
| 320. | Eachann | Borrowing of Haakon, Steadfast | Meaning & Detail | |
| 321. | Eachdhonn | Borrowing of Norse Haakon | Meaning & Detail | |
| 322. | Eadaoin | King of Wolves | Meaning & Detail | |
| 323. | Eadbard | Rich Protector, Variant of | Meaning & Detail | |
| 324. | Eames | Prosperous Protector, Variant of | Meaning & Detail | |
| 325. | Eanan | Name of a Saint | Meaning & Detail | |
| 326. | Earvin | Friend of the Sea, Sea Friend | Meaning & Detail | |
| 327. | Edan | Full of Fire, Delight, Fire | Meaning & Detail | |
| 328. | Eicnechan | Force, Dim of Eicnech | Meaning & Detail | |
| 329. | Eiden | Fire, Variant of Aidan | Meaning & Detail | |
| 330. | Eigneachan | Force, Dim of Eicnech | Meaning & Detail | |
| 331. | Einri | Home Ruler, Ruler of the Estate | Meaning & Detail | |
| 332. | Enda | Name of a Saint, Birdlike | Meaning & Detail | |
| 333. | Ennree | Ruler of the Estate | Meaning & Detail | |
| 334. | Enri | Lord of the Manor, House Owner | Meaning & Detail | |
| 335. | Enright | Son of the Attacker | Meaning & Detail | |
| 336. | Eoan | Born of the Yew | Meaning & Detail | |
| 337. | Eogan | Born of the Yew | Meaning & Detail | |
| 338. | Eoghain | Owner of the Land | Meaning & Detail | |
| 339. | Eoghanan | Youth, Born of the Yew | Meaning & Detail | |
| 340. | Eoin-Baiste | Form of John the Baptist | Meaning & Detail | |
| 341. | EoinBaiste | Form of John the Baptist | Meaning & Detail | |
| 342. | Eolann | A Kind of Ornament | Meaning & Detail | |
| 343. | Ernan | Variant of Iarn, Iron | Meaning & Detail | |
| 344. | Erneen | Variant of Iarn, Iron | Meaning & Detail | |
| 345. | Ernine | Battle of the Death, Serious | Meaning & Detail | |
| 346. | Erskine | Over the Knife, Dweller of the top | Meaning & Detail | |
| 347. | Ervin | Friend of the Sea, Form of Irving | Meaning & Detail | |
| 348. | Ervine | Friend of the Sea, Place name | Meaning & Detail | |
| 349. | Erving | Noble, Boar Friend, Friend of the | Meaning & Detail | |
| 350. | Euan | Lord is Gracious, Born of Yew | Meaning & Detail | |
| 351. | Ewen | Of the Yew Tree, Well Born, Lord | Meaning & Detail | |
| 352. | Fachnan | Name of a Saint | Meaning & Detail | |
| 353. | Failtearn | Lord of Wolves | Meaning & Detail | |
| 354. | Faircheallach | Name of a Saint | Meaning & Detail | |
| 355. | Faoiltiarn | Lord of Wolves | Meaning & Detail | |
| 356. | Farall | Brave Man, Variant of Farrell | Meaning & Detail | |
| 357. | Fardonock | Name of a Saint | Meaning & Detail | |
| 358. | Farill | Brave Man, Variant of Farrell | Meaning & Detail | |
| 359. | Farrel | Brave, Hero, Man of Courage | Meaning & Detail | |
| 360. | Farrell | Son of the Man of Valour | Meaning & Detail | |
| 361. | Farrill | Man of Courage, Hero | Meaning & Detail | |
| 362. | Farryl | Brave Man, Variant of Farrell | Meaning & Detail | |
| 363. | Farryll | Man of Courage, Hero | Meaning & Detail | |
| 364. | Feardorcha | Variant of Fardoragh, Dark-skinned | Meaning & Detail | |
| 365. | Fearghal | Valorous Man, Man of Strength | Meaning & Detail | |
| 366. | Felix | Fortunate, Happy, Name of a Saint | Meaning & Detail | |
| 367. | Ferdia | Man of God | Meaning & Detail | |
| 368. | Fergal | Man of Strength, Brave | Meaning & Detail | |
| 369. | Fergus | Of Manly Strength, Highest Choice | Meaning & Detail | |
| 370. | Ferguson | Vigorous Man, Son of the First | Meaning & Detail | |
| 371. | Fergusson | Highest Choice, Son of the First | Meaning & Detail | |
| 372. | Ferol | Man of Valour | Meaning & Detail | |
| 373. | Ferrel | Brave Man, Variant of Farrell | Meaning & Detail | |
| 374. | Ferrell | Hero, Man of Courage, Brave | Meaning & Detail | |
| 375. | Ferrill | Man of Courage, Hero, Variant of | Meaning & Detail | |
| 376. | Ferris | Man of Vigour, Iron Worker, Rock | Meaning & Detail | |
| 377. | Ferryl | Man of Courage, Hero | Meaning & Detail | |
| 378. | Filib | Friend / Lover of Horses | Meaning & Detail | |
| 379. | Filippo | Lover of Horses, Horse of Lover | Meaning & Detail | |
| 380. | Finan | White, Fair, Name of a Bishop | Meaning & Detail | |
| 381. | Fineas | Oracle, Mouth of Brass | Meaning & Detail | |
| 382. | Finin | Handsome, Fair Birth, Variant of | Meaning & Detail | |
| 383. | Finleigh | Variant of Finlay, Fair Hero | Meaning & Detail | |
| 384. | Finloog | The name of a Celtic God, Finn | Meaning & Detail | |
| 385. | Finnachta | Ruler's name, King of Ireland | Meaning & Detail | |
| 386. | Finnechta | Name of a Saint | Meaning & Detail | |
| 387. | Finnegan | A Descendant of a Fair Haired | Meaning & Detail | |
| 388. | Fionnbharr | White, Fair Head, Variant of | Meaning & Detail | |
| 389. | Fitzgerald | Son of Gerald, Surname, Mighty | Meaning & Detail | |
| 390. | Fitzroy | Son of Roy, Son of the King, Son | Meaning & Detail | |
| 391. | Fiynn | Ruddy, Son of the Red Haired One | Meaning & Detail | |
| 392. | Flaine | Red-haired, Variant of Flannery | Meaning & Detail | |
| 393. | Flin | Son of the Red Haired One | Meaning & Detail | |
| 394. | Flinn | Son of a Red Haired Man | Meaning & Detail | |
| 395. | Flyn | Son of a Red-haired Man | Meaning & Detail | |
| 396. | Flynn | Son of a Red-haired Man, Surname | Meaning & Detail | |
| 397. | Forgael | Manly, Brave, Variant of Fergal | Meaning & Detail | |
| 398. | Frankie | Free, Diminutive of Frank Free | Meaning & Detail | |
| 399. | Gainer | Son of the Fair Skinned One | Meaning & Detail | |
| 400. | Gainor | Son of the Fair Skinned One, Fair | Meaning & Detail | |
| 401. | Galloway | Strange / Foreign Route, Of the | Meaning & Detail | |
| 402. | Garnet | Pomegranate Seed, Spear, Keeper of | Meaning & Detail | |
| 403. | Gavin | Little Falcon, White Hawk of | Meaning & Detail | |
| 404. | Gayner | Son of the Fair Skinned One | Meaning & Detail | |
| 405. | Gaynnor | Son of the Fair Skinned One | Meaning & Detail | |
| 406. | Gaynor | Son of the Fair-skinned One | Meaning & Detail | |
| 407. | George | Earth Worker, Farmer, A Tiller of | Meaning & Detail | |
| 408. | Gerry | Mighty with a Spear, Form of | Meaning & Detail | |
| 409. | Ghilchrist | Servant of Christ | Meaning & Detail | |
| 410. | Gian | God is Merciful, Apostle of | Meaning & Detail | |
| 411. | Gil | French Form of Julius, Shining | Meaning & Detail | |
| 412. | Gilbey | Estate of the Hostage, Blond | Meaning & Detail | |
| 413. | Gilchrist | The Servant of Christ / God | Meaning & Detail | |
| 414. | Gilderoy | Servant of the Redhead | Meaning & Detail | |
| 415. | Gildray | Servant of the Redhead | Meaning & Detail | |
| 416. | Gildroy | Servant of the Redhead | Meaning & Detail | |
| 417. | Gilian | Servant of Saint John, Youthful | Meaning & Detail | |
| 418. | Gill | French Form of Julius, Shining | Meaning & Detail | |
| 419. | Gillabrenainn | Servant of St Brendan | Meaning & Detail | |
| 420. | Gillacomgaill | Servant of St Comgall | Meaning & Detail | |
| 421. | Gillamochutu | Servant of St Mochutu | Meaning & Detail | |
| 422. | Gillan | Servant of Saint John | Meaning & Detail | |
| 423. | Gillapatraic | Servant of St Patrick | Meaning & Detail | |
| 424. | Gillbey | Estate of the Hostage, Blond | Meaning & Detail | |
| 425. | Gillbie | Estate of the Hostage, Blond Boy | Meaning & Detail | |
| 426. | Gillby | Estate of the Hostage, Blond Boy | Meaning & Detail | |
| 427. | Gillen | Resolute Fighter, Servant of Saint | Meaning & Detail | |
| 428. | Gillespie | Servant of the Bishop | Meaning & Detail | |
| 429. | Gillian | Servant of Saint John, Youthful | Meaning & Detail | |
| 430. | Gillis | Servant, Son of the Bishop's | Meaning & Detail | |
| 431. | Gillmore | Servant of the Virgin Mary | Meaning & Detail | |
| 432. | Gillmour | Servant of the Virgin Mary | Meaning & Detail | |
| 433. | Gillroy | Servant of the Redhead | Meaning & Detail | |
| 434. | Gilmore | Servant of the Virgin Mary, Sword | Meaning & Detail | |
| 435. | Gilmour | Servant of the Virgin Mary | Meaning & Detail | |
| 436. | Gilpatrick | Son of the Servant of (Saint) | Meaning & Detail | |
| 437. | Gilroy | Servant of the Red Haired Lord | Meaning & Detail | |
| 438. | Giollabhrighde | Servant of St Brigid | Meaning & Detail | |
| 439. | Giollachriost | Servant of Christ | Meaning & Detail | |
| 440. | Giollaeaspaig | Servant of the Bishop | Meaning & Detail | |
| 441. | GiollaNaNaomh | Servant of the Saints | Meaning & Detail | |
| 442. | Girven | Small Rough One, Language of God | Meaning & Detail | |
| 443. | Glen | Dweller of Valley, Woody Valley, A | Meaning & Detail | |
| 444. | Grady | Son of Gradaigh, Noble | Meaning & Detail | |
| 445. | Guy | Professional Guide, Staff of the | Meaning & Detail | |
| 446. | Harold | Army-power, Army Ruler, Leader of | Meaning & Detail | |
| 447. | Harry | Ruler of an Enclosure, Form of | Meaning & Detail | |
| 448. | Henry | Ruler of the House, Ruler of the | Meaning & Detail | |
| 449. | Hiero | Name of a Saint, Holy | Meaning & Detail | |
| 450. | Hurley | Child of the Seas and Tides, Lord | Meaning & Detail | |
| 451. | Huydhran | Name of a Saint | Meaning & Detail | |
| 452. | Iarbonel | Descendant of Judah | Meaning & Detail | |
| 453. | Iarlaith | Royalty, Lord of the West | Meaning & Detail | |
| 454. | Iarlugh | Name of God | Meaning & Detail | |
| 455. | Indract | Name of Saint | Meaning & Detail | |
| 456. | Inerney | Steward of Church Lands | Meaning & Detail | |
| 457. | Ingnathach | Druid of the Fir Bolg | Meaning & Detail | |
| 458. | Iris | Radiance, Part of Eye | Meaning & Detail | |
| 459. | Irvine | Variant of Irving, Green Water | Meaning & Detail | |
| 460. | Ivan | Archer, Gift of God, God's | Meaning & Detail | |
| 461. | Iydin | Greatest of All Time | Meaning & Detail | |
| 462. | Jarlath | Tributary Lord, Lord of the West | Meaning & Detail | |
| 463. | Jed | The Hand, Friend of God, Beloved | Meaning & Detail | |
| 464. | Jeremiah | God will Uplift, Exalted of the | Meaning & Detail | |
| 465. | Johannes | German Form of John, Merciful, The | Meaning & Detail | |
| 466. | John | God is Merciful, Gift of God, God | Meaning & Detail | |
| 467. | Jonathan | Gift of Jehovah, Yahweh / God has | Meaning & Detail | |
| 468. | Joseph | Grace of Fruitful Life, God will | Meaning & Detail | |
| 469. | Kace | Descendant of the Vigilant One | Meaning & Detail | |
| 470. | Kaelan | Slender, Fair, Form of Caelan | Meaning & Detail | |
| 471. | Kagan | Priest, A Thinker, Fiery, Form of | Meaning & Detail | |
| 472. | Kagen | Fiery, Form of Hugh, A Thinker | Meaning & Detail | |
| 473. | Karbra | Ruler of the Chariot | Meaning & Detail | |
| 474. | Karny | Champion, Victorious, Variant of | Meaning & Detail | |
| 475. | Kasey | Watchful, Full of Energy, Alert | Meaning & Detail | |
| 476. | Kathlynn | Pure, Variant of Caitlin, Derived | Meaning & Detail | |
| 477. | Kavanagh | Follower of Kevin | Meaning & Detail | |
| 478. | Kavanaugh | Follower of Kevin | Meaning & Detail | |
| 479. | Keaf | Descendant, Descendant of Caomh | Meaning & Detail | |
| 480. | Keagan | Flame, A Thinker, Form of Hugh | Meaning & Detail | |
| 481. | Kegan | Fiery, A Thinker, Form of Hugh | Meaning & Detail | |
| 482. | Keilah | Lively, Aggressive, Variant of | Meaning & Detail | |
| 483. | Keion | Follower of Zeus, Born to Nobility | Meaning & Detail | |
| 484. | Keith | Of the Forest, Wood, From the | Meaning & Detail | |
| 485. | Ken | Handsome, Form of Kenneth, Sprung | Meaning & Detail | |
| 486. | Kendric | Royal Chieftain, Son of Henry | Meaning & Detail | |
| 487. | Kennan | Little Ken, Form of Keene, Wise | Meaning & Detail | |
| 488. | Kennay | Born of Fire | Meaning & Detail | |
| 489. | Kenny | Handsome, The Valley of the Kent | Meaning & Detail | |
| 490. | Kentigern | Chief Lord, Name of the First | Meaning & Detail | |
| 491. | Keree | Descendant of Ciar, Black | Meaning & Detail | |
| 492. | Kerry | Son of the Black One, Ciar's | Meaning & Detail | |
| 493. | Keven | Handsome, Variant of Kevin | Meaning & Detail | |
| 494. | Keveon | Variant of Kevin, Handsome Child | Meaning & Detail | |
| 495. | Kevinn | Variant of Kevin, Handsome Child | Meaning & Detail | |
| 496. | Kevion | Variant of Kevin, Handsome Child | Meaning & Detail | |
| 497. | Kevis | Variant of Kevin, Handsome Child | Meaning & Detail | |
| 498. | Kevon | Variant of Kevin, Handsome Child | Meaning & Detail | |
| 499. | Kevron | Variant of Kevin, Handsome Child | Meaning & Detail | |
| 500. | Kevyn | Gentle, Handsome, Variant of Kevin | Meaning & Detail | |
| 501. | Kianni | Variant of Kian, Ancient | Meaning & Detail | |
| 502. | Kilkenny | Cell, Church of Cainnech | Meaning & Detail | |
| 503. | Kinnell | From the Head of the Cliff | Meaning & Detail | |
| 504. | Konner | Alternate Spelling of Conner, Wise | Meaning & Detail | |
| 505. | Koocullen | Hound of Culann | Meaning & Detail | |
| 506. | Kookigrihy | Hound of the Border | Meaning & Detail | |
| 507. | Kookunnockt | Hound of the Connachtmen | Meaning & Detail | |
| 508. | Kooulla | Hound of the Ulstermen | Meaning & Detail | |
| 509. | Kooval | Strong, Great, On of Trenmor | Meaning & Detail | |
| 510. | Koovy | Hound of the Plain | Meaning & Detail | |
| 511. | Kormak | Impure Son, Son of Raven | Meaning & Detail | |
| 512. | Kraig | Steep Rock, Variant of Craig, Rock | Meaning & Detail | |
| 513. | Krystal | Form of Brilliant Glass | Meaning & Detail | |
| 514. | Kunnockt | Wise, The Descendants of Conn | Meaning & Detail | |
| 515. | Ky | Narrow Piece of Land | Meaning & Detail | |
| 516. | Kyele | Narrow Piece of Land | Meaning & Detail | |
| 517. | Kylian | Church Man, Narrow Piece of Land | Meaning & Detail | |
| 518. | Lacey | Place name of Obscure, Used as a | Meaning & Detail | |
| 519. | Lakeland | Home of the Norse | Meaning & Detail | |
| 520. | Lanty | Devotee of Saint Seachnall | Meaning & Detail | |
| 521. | Laoighseach | Man of Laois | Meaning & Detail | |
| 522. | Larkin | Rough, Fierce, City of Laurels | Meaning & Detail | |
| 523. | Lassi | City of Laurels, Laurence, Crowned | Meaning & Detail | |
| 524. | Laurence | Crowned with Laurels, Form of | Meaning & Detail | |
| 525. | Lawler | Mutterer, Soft-spoken | Meaning & Detail | |
| 526. | Lawrence | City of Laurels, Crowned with | Meaning & Detail | |
| 527. | Leannan | Of a Courtesan, Lover, Sweetheart | Meaning & Detail | |
| 528. | Leary | Keeper of Calves, Cattle Keeper | Meaning & Detail | |
| 529. | Leinster | Provinces of Ireland | Meaning & Detail | |
| 530. | Lewis | Famous, Renowned Warrior, Form of | Meaning & Detail | |
| 531. | Lian | Honest, Soft, Lovely Willow | Meaning & Detail | |
| 532. | Lisburn | Ring Fort of the Gamblers | Meaning & Detail | |
| 533. | Lochlain | Home of the Norse | Meaning & Detail | |
| 534. | Lochlainn | Land of Lakes, Lake-land | Meaning & Detail | |
| 535. | Lochlan | Land Filled with Lakes, Land of | Meaning & Detail | |
| 536. | Lochlann | Vikings, Home of the Norse | Meaning & Detail | |
| 537. | Looiseach | Bringer of Light | Meaning & Detail | |
| 538. | Loran | Crowned with Laurels, Form of | Meaning & Detail | |
| 539. | Lou | Renowned Warrior, Form of Louis | Meaning & Detail | |
| 540. | Lucan | Joins, Brother of Arthur, Light | Meaning & Detail | |
| 541. | Lucas | Bringer of Light, A Region of | Meaning & Detail | |
| 542. | Luchta | God of Carpentry | Meaning & Detail | |
| 543. | Lucian | Form of Luke, Light, Illumination | Meaning & Detail | |
| 544. | Lucius | Bringer of Light, Bright, Born at | Meaning & Detail | |
| 545. | Lucky | Fortunate, A Region of Southern | Meaning & Detail | |
| 546. | Lugh | Brightness, Light, God of the Sun | Meaning & Detail | |
| 547. | Luke | Light Giving, Light, Bringer of | Meaning & Detail | |
| 548. | Lyam | Form of William | Meaning & Detail | |
| 549. | Mac | Son of, Taken from Mackenzie | Meaning & Detail | |
| 550. | Macallister | Son of Alistair, Alistair is the | Meaning & Detail | |
| 551. | Macardell | Son of Great Courage | Meaning & Detail | |
| 552. | Macardle | Son of Great Courage | Meaning & Detail | |
| 553. | Macartan | Son of Artan | Meaning & Detail | |
| 554. | Macarthur | Son of Arthur | Meaning & Detail | |
| 555. | Macauliffe | Son of Olaf | Meaning & Detail | |
| 556. | Macbride | Follower of Saint Brigid, He was | Meaning & Detail | |
| 557. | Macbryde | Follower of Saint Brigid, He was | Meaning & Detail | |
| 558. | Maccadain | Son of Cadan | Meaning & Detail | |
| 559. | Maccon | Son of a Wolf | Meaning & Detail | |
| 560. | Maccorcrain | Son of Corcoran | Meaning & Detail | |
| 561. | Maccormack | Son of Cormac | Meaning & Detail | |
| 562. | Maccoy | Son of Hugh | Meaning & Detail | |
| 563. | Maccrae | Son of Grace | Meaning & Detail | |
| 564. | Maccray | Son of Grace | Meaning & Detail | |
| 565. | Maccrea | Son of Grace | Meaning & Detail | |
| 566. | Macelroy | Son of Elroy | Meaning & Detail | |
| 567. | Macgee | Son of Hugh | Meaning & Detail | |
| 568. | Macghee | Son of Hugh | Meaning & Detail | |
| 569. | Mackenna | Fire Born, Son of Cionaith | Meaning & Detail | |
| 570. | Mackenzie | Pretty, Good-looking, Child of the | Meaning & Detail | |
| 571. | Mackenzy | Son of Kenzie | Meaning & Detail | |
| 572. | Mackinley | Son of the Learned King, Learned | Meaning & Detail | |
| 573. | Mackinnley | Son of the Learned Ruler | Meaning & Detail | |
| 574. | Macklan | Son of Maclean | Meaning & Detail | |
| 575. | Maclaisre | Son of Flame | Meaning & Detail | |
| 576. | Maclean | Son of Leander, Son of the Servant | Meaning & Detail | |
| 577. | Macmahon | Son of the Bear, Son of Mahon | Meaning & Detail | |
| 578. | Macmaureadhaigh | Son of Murray | Meaning & Detail | |
| 579. | Macmurra | Son of Murray | Meaning & Detail | |
| 580. | Macmurray | Son of the Seafarer | Meaning & Detail | |
| 581. | Macoda | Son of Odo | Meaning & Detail | |
| 582. | Macquaid | Son of Quaid | Meaning & Detail | |
| 583. | Macrae | Son of Grace | Meaning & Detail | |
| 584. | Maduley | Son of Olaf | Meaning & Detail | |
| 585. | Maduta | Marrow (of a Bone) | Meaning & Detail | |
| 586. | Mael | Devotee, Legendary Son of Roycol | Meaning & Detail | |
| 587. | Maelaghlin | Devotee of St Seachnall | Meaning & Detail | |
| 588. | Maelduin | Warrior of the Fortress | Meaning & Detail | |
| 589. | Maeleashlainn | Servant of Saint Secondinus | Meaning & Detail | |
| 590. | Maelechlainn | Devotee of St Sechnall | Meaning & Detail | |
| 591. | Maeliosa | Servant of Jesus | Meaning & Detail | |
| 592. | Maelisu | Devotee of Jesus | Meaning & Detail | |
| 593. | Maelmaedoc | Disciple of Maedoc, Follower of St | Meaning & Detail | |
| 594. | Maelosa | Servant of Jesus | Meaning & Detail | |
| 595. | Maelruain | Servant of Ruadan | Meaning & Detail | |
| 596. | Maelsheachlainn | Devotee of St Sechnall | Meaning & Detail | |
| 597. | Maelsuithan | Farmstead, Village of a Man Called | Meaning & Detail | |
| 598. | Magael | Son of the Irish | Meaning & Detail | |
| 599. | Magee | Son of Hugh | Meaning & Detail | |
| 600. | Maggie | Pearl, Flower name, Child of Light | Meaning & Detail | |
| 601. | Maguidhir | Son of the Brown Haired One | Meaning & Detail | |
| 602. | Maguire | Son of the Beige One | Meaning & Detail | |
| 603. | Mairon | Star of the Sea | Meaning & Detail | |
| 604. | Mait | Gift of God | Meaning & Detail | |
| 605. | Maithi | Son of the Bear, Strong Battle | Meaning & Detail | |
| 606. | Maithias | Gift of God | Meaning & Detail | |
| 607. | Maitiu | Gift of God | Meaning & Detail | |
| 608. | Makenzie | Son of Kenzie | Meaning & Detail | |
| 609. | Makhenna | Son of Cionaodh | Meaning & Detail | |
| 610. | Mal | Messenger of God, Lord Krishna | Meaning & Detail | |
| 611. | Malachi | Messenger of God, My Angel | Meaning & Detail | |
| 612. | Malachy | Messenger of God, The Title of the | Meaning & Detail | |
| 613. | Malakee | Messenger of God | Meaning & Detail | |
| 614. | Malcolm | Devotee / Follower of Saint | Meaning & Detail | |
| 615. | Maleoin | Servant of Saint John | Meaning & Detail | |
| 616. | Malony | Disciple of Sunday Worship, Pious | Meaning & Detail | |
| 617. | Manny | A Form of Emmanuel God is with us | Meaning & Detail | |
| 618. | Maoileachlainn | Servant of Saint Seachnall | Meaning & Detail | |
| 619. | Maolanaithe | Devotee of the Storm | Meaning & Detail | |
| 620. | Maolcholaim | Devotee of St Columba | Meaning & Detail | |
| 621. | Maolcholm | Servant of Saint Columba | Meaning & Detail | |
| 622. | Maolcholuim | Servant of Saint Colmcille | Meaning & Detail | |
| 623. | Maolcolm | Servant of Columba | Meaning & Detail | |
| 624. | Maoleoin | Servant of John | Meaning & Detail | |
| 625. | Maolmhaodhog | Devotee of St Maedoc | Meaning & Detail | |
| 626. | Maolmhuadh | Descendant of the Devotee | Meaning & Detail | |
| 627. | Maolmhuire | Servant of the Virgin Mary | Meaning & Detail | |
| 628. | Maolorain | Devotee of St Odran | Meaning & Detail | |
| 629. | Maolra | Devotee of Mary | Meaning & Detail | |
| 630. | Maolseachlann | Devotee of St Sechnall | Meaning & Detail | |
| 631. | Marcas | Warlike, Of Mars, The Roman | Meaning & Detail | |
| 632. | Marcel | Mars, The Roman God of War, Form | Meaning & Detail | |
| 633. | Marcus | War-like, Mars, The Roman God of | Meaning & Detail | |
| 634. | Mariah | Star of the Sea, God is My Teacher | Meaning & Detail | |
| 635. | Marilyn | Star of the Sea, Combination of | Meaning & Detail | |
| 636. | Marmaduke | Follower of Maedoc, Devotee | Meaning & Detail | |
| 637. | Matha | Lady Mistress of the House | Meaning & Detail | |
| 638. | Matheus | Gift of God | Meaning & Detail | |
| 639. | Mathias | Variant of Matthias, Gift of the | Meaning & Detail | |
| 640. | Mathuin | Version of Brenainn, From | Meaning & Detail | |
| 641. | Matthew | God's Present, Gift of the Lord | Meaning & Detail | |
| 642. | Matthias | Gift of the Lord | Meaning & Detail | |
| 643. | Matty | Gift of the Lord, Strong in War | Meaning & Detail | |
| 644. | Mattyu | Gift of God | Meaning & Detail | |
| 645. | Maughold | Name of a Saint | Meaning & Detail | |
| 646. | Mauran | Devotee of Mary | Meaning & Detail | |
| 647. | Mcalister | Son of Alistair, Scottish Version | Meaning & Detail | |
| 648. | Mcallister | Son of Alistair, Scottish Version | Meaning & Detail | |
| 649. | Mcbride | Son of Follower of Saint Brigid | Meaning & Detail | |
| 650. | Mccardell | Son of Great Courage | Meaning & Detail | |
| 651. | Mccoy | Son of Hugh, Surname | Meaning & Detail | |
| 652. | Mccrea | Son of Grace | Meaning & Detail | |
| 653. | Mcgee | Son of Hugh | Meaning & Detail | |
| 654. | Mcguire | Son of the Beige One | Meaning & Detail | |
| 655. | Mcgwire | Son of the Beige One | Meaning & Detail | |
| 656. | Mckenzie | Pretty, Good-looking, Son of the | Meaning & Detail | |
| 657. | Mckinley | Son of the Learned King, Son of | Meaning & Detail | |
| 658. | Mcmahon | Son of the Bear | Meaning & Detail | |
| 659. | Mcmurray | Son of the Seafarer | Meaning & Detail | |
| 660. | Mel | Person of Gloom, Sword Friend | Meaning & Detail | |
| 661. | Melaghlin | Devotee of St Seachnall | Meaning & Detail | |
| 662. | Melanaha | Devotee of the Storm | Meaning & Detail | |
| 663. | Meloklin | Devotee of St Sechnall | Meaning & Detail | |
| 664. | Meloran | Devotee of St Odran | Meaning & Detail | |
| 665. | Melvayog | Devotee of St Maedoc | Meaning & Detail | |
| 666. | Melvyn | Sword Friend, Form of Melvin, Mill | Meaning & Detail | |
| 667. | Merv | Lover of the Sea, Loves the Sea | Meaning & Detail | |
| 668. | Mervin | Sea Lover, Form of Marvin, Friend | Meaning & Detail | |
| 669. | Mhuire | Of Mary's | Meaning & Detail | |
| 670. | Mick | One who is like God, Form of | Meaning & Detail | |
| 671. | Mickey | One who is like God, Form of | Meaning & Detail | |
| 672. | Mike | One who is like God, Form of | Meaning & Detail | |
| 673. | Mitchel | One who is like God, Form of | Meaning & Detail | |
| 674. | Mitchell | One who is like God, Form of | Meaning & Detail | |
| 675. | Mochaomhog | Name of Saint | Meaning & Detail | |
| 676. | Mochoemoc | Name of Saint | Meaning & Detail | |
| 677. | Mocholla | Pet Form of Colm | Meaning & Detail | |
| 678. | Mochonna | Pet Form of Colm | Meaning & Detail | |
| 679. | Mochua | Pet Form of Cronan, Swarthy | Meaning & Detail | |
| 680. | Mochuda | Loving, Pet Form of Carthach | Meaning & Detail | |
| 681. | Mochuma | Pet Form of Colman, A Dove | Meaning & Detail | |
| 682. | Mochumma | Pet Form of Colman, A Dove | Meaning & Detail | |
| 683. | Modomnoc | Name of a Saint | Meaning & Detail | |
| 684. | Mogue | Name of a Saint | Meaning & Detail | |
| 685. | Mokevog | Pet Form of Caemgen / Caeman | Meaning & Detail | |
| 686. | Molan | Servant of the Storm | Meaning & Detail | |
| 687. | Molli | Maili which is a Pet Form of Mary | Meaning & Detail | |
| 688. | Molua | Light, Brightness, Sort Form of | Meaning & Detail | |
| 689. | Moluag | Name of a Saint | Meaning & Detail | |
| 690. | Morris | Son of More, Sea-strength, Moor | Meaning & Detail | |
| 691. | Morrissey | Choice of the Sea | Meaning & Detail | |
| 692. | Morvin | Child of the Sea, Pale, A Mariner | Meaning & Detail | |
| 693. | Moses | Drawn out of the Water, Saved | Meaning & Detail | |
| 694. | Moss | Drawn out of the Water, Saviour or | Meaning & Detail | |
| 695. | Mugron | Lad of the Seals | Meaning & Detail | |
| 696. | Muire | Star of the Sea | Meaning & Detail | |
| 697. | Muireadhach | Lord of the Sea | Meaning & Detail | |
| 698. | Mukonry | Hound of Prosperity | Meaning & Detail | |
| 699. | Mukua | Pet Form of Cronan, Swarthy | Meaning & Detail | |
| 700. | Mukuda | Loving, Pet Form of Carthach | Meaning & Detail | |
| 701. | Mukuma | Pet Form of Colman, A Dove | Meaning & Detail | |
| 702. | Mukunna | Name of a Saint | Meaning & Detail | |
| 703. | Mulooa | Light, Brightness, Sort Form of | Meaning & Detail | |
| 704. | Mulossy | Flame, Fire, Pet Form of Laisren | Meaning & Detail | |
| 705. | Mura | A Kind of Fragrant Plant, Village | Meaning & Detail | |
| 706. | Muranus | Name of a Saint | Meaning & Detail | |
| 707. | Murchadh | Protector / Fighter of the Sea | Meaning & Detail | |
| 708. | Murchu | Hound of the Sea | Meaning & Detail | |
| 709. | Muriel | Sea Bright, Angel of Emotions | Meaning & Detail | |
| 710. | Murkoo | Hound of the Sea | Meaning & Detail | |
| 711. | Murrough | Fighter of the Sea | Meaning & Detail | |
| 712. | Murry | Lives by the Sea, Lord of the Sea | Meaning & Detail | |
| 713. | Naal | Name of a Saint, Horseshoe | Meaning & Detail | |
| 714. | Naithi | Nephew of a Tree | Meaning & Detail | |
| 715. | Nanid | Name of a Saint | Meaning & Detail | |
| 716. | Nannid | Name of Saint | Meaning & Detail | |
| 717. | Nathaniel | Gift of God, Given by God, God has | Meaning & Detail | |
| 718. | Nathy | Nephew of a Tree | Meaning & Detail | |
| 719. | Neachtan | Descendant of the Waters, God name | Meaning & Detail | |
| 720. | Neas | Man of Force | Meaning & Detail | |
| 721. | Neasan | Offspring | Meaning & Detail | |
| 722. | Neason | Name of a Saint | Meaning & Detail | |
| 723. | Nechtan | Pure, Name of God, Descendant of | Meaning & Detail | |
| 724. | Neilan | Champion, Form of Neil | Meaning & Detail | |
| 725. | Neill | Champion, Form of Neil | Meaning & Detail | |
| 726. | Neils | Son of Neil, Champion | Meaning & Detail | |
| 727. | Nels | Chief, Son of Neil, Champion | Meaning & Detail | |
| 728. | Nemid | Name of Island | Meaning & Detail | |
| 729. | Nessan | Name of a Saint, Sloth | Meaning & Detail | |
| 730. | Nessun | Stoat, Name of a Saint | Meaning & Detail | |
| 731. | Nevin | Nephew, Little Bone, Servant of | Meaning & Detail | |
| 732. | Nicholas | People's Triumph, Victory of the | Meaning & Detail | |
| 733. | Nickol | Victory of the People | Meaning & Detail | |
| 734. | Nicky | People's Triumph, Victory of the | Meaning & Detail | |
| 735. | Nigellus | Champion, Victory of the People | Meaning & Detail | |
| 736. | Niklas | People of Victory, Victorious | Meaning & Detail | |
| 737. | Niocal | Victory of the People | Meaning & Detail | |
| 738. | Nioclas | Victory of the People | Meaning & Detail | |
| 739. | Niocol | Victory of the People | Meaning & Detail | |
| 740. | Nolan | Noble, Descendant of Nuallan | Meaning & Detail | |
| 741. | Odanodan | Of the Red Earth | Meaning & Detail | |
| 742. | Olibhear | Seller, Processor of Olive Oil | Meaning & Detail | |
| 743. | ONeil | Son of Neil | Meaning & Detail | |
| 744. | Ormand | Red, Spear-man, Mountain of Bears | Meaning & Detail | |
| 745. | Ormond | Spear Defender, Spear, Mountain of | Meaning & Detail | |
| 746. | Ormonde | Mountain of Bears, Spear, Ship | Meaning & Detail | |
| 747. | Orran | The name of an English River, Pale | Meaning & Detail | |
| 748. | Orren | The name of an English River, Pale | Meaning & Detail | |
| 749. | Orrin | The name of an English River | Meaning & Detail | |
| 750. | Oscar | Friend of the Deer, God's Spear | Meaning & Detail | |
| 751. | Oshane | Son of Shea | Meaning & Detail | |
| 752. | Oshe | Son of Shea | Meaning & Detail | |
| 753. | Ownry | Ruler of the State | Meaning & Detail | |
| 754. | Paddy | Noble, Patrician, Of Noble Birth | Meaning & Detail | |
| 755. | Padric | Patrician, Form of Patrick, Noble | Meaning & Detail | |
| 756. | Parlan | Farmer, Son of Talmai | Meaning & Detail | |
| 757. | Parth | Emperor of the World, King | Meaning & Detail | |
| 758. | Parthalan | Son of a Farmer | Meaning & Detail | |
| 759. | Parthalon | Son of Talmai | Meaning & Detail | |
| 760. | Parthlan | Son of a Farmer | Meaning & Detail | |
| 761. | Partnan | Son of a Farmer | Meaning & Detail | |
| 762. | Pascal | Pass over, Child of Easter, Easter | Meaning & Detail | |
| 763. | Peadar | Gaelic Form of Peter, Rock, Stone | Meaning & Detail | |
| 764. | Pearce | Rock, Form of Piers from Peter | Meaning & Detail | |
| 765. | Pearson | Son of Pierce, A Rock, Form of | Meaning & Detail | |
| 766. | Pete | Rock, Form of Peter, Stone | Meaning & Detail | |
| 767. | Philib | Friend of Horses | Meaning & Detail | |
| 768. | Phillip | One of the Biblical Apostles | Meaning & Detail | |
| 769. | Pierce | Rock, Form of Peter, Stone | Meaning & Detail | |
| 770. | Piers | Son of Pierce, A Rock, Form of | Meaning & Detail | |
| 771. | Pierson | A Rock, Form of Piers from Peter | Meaning & Detail | |
| 772. | Pilib | Friend of Horses | Meaning & Detail | |
| 773. | Pol | Small, Little, Humble, Form of | Meaning & Detail | |
| 774. | Poll | Star of the Sea, Small, Form of | Meaning & Detail | |
| 775. | Quinton | Fifth, Surname, Variant of Quentin | Meaning & Detail | |
| 776. | Rafer | Form of Raphael, God has Healed | Meaning & Detail | |
| 777. | Raju | The King of World, Prosperity | Meaning & Detail | |
| 778. | Randal | Shield Wolf, Variant of Randolph | Meaning & Detail | |
| 779. | Rayan | Doorman of Heaven, Soft Touch | Meaning & Detail | |
| 780. | Reagan | Royal, Little King, Descendant of | Meaning & Detail | |
| 781. | Reel | Name of a Saint | Meaning & Detail | |
| 782. | Regan | The Descendant of a King, Little | Meaning & Detail | |
| 783. | Reilley | Rye, Form of Ryley | Meaning & Detail | |
| 784. | Reilly | From a Meadow of Rye, Courageous | Meaning & Detail | |
| 785. | Ren | Raven, Benevolent, Edge of a | Meaning & Detail | |
| 786. | Revelin | Famed throughout the Land, Form of | Meaning & Detail | |
| 787. | Reynolds | Wise Ruler, Form of Reginald | Meaning & Detail | |
| 788. | Riaghail | Name of a Saint | Meaning & Detail | |
| 789. | Robbie | Of Shining Fame, Bright with Fame | Meaning & Detail | |
| 790. | Rod | Famous Ruler, Variant of Roderick | Meaning & Detail | |
| 791. | Ruadhan | King, Name of a Saint, Red Haired | Meaning & Detail | |
| 792. | Russ | Red Haired, Wood, Form of Rufus | Meaning & Detail | |
| 793. | Russell | Fox, Form of Rufus Red-haired | Meaning & Detail | |
| 794. | Rylan | From the Lands of Rye, Island | Meaning & Detail | |
| 795. | Sam | Lord of God, Lord has Heard, Told | Meaning & Detail | |
| 796. | Samuel | Heard by God, Asked of God, Told | Meaning & Detail | |
| 797. | Saorbhreathach | Noble of Judgement | Meaning & Detail | |
| 798. | Scot | From Scotland, Form of Scott, A | Meaning & Detail | |
| 799. | Seonac | Gift of God | Meaning & Detail | |
| 800. | Setanta | Mythical Son of Sualtam | Meaning & Detail | |
| 801. | Shain | Variant of Shaun | Meaning & Detail | |
| 802. | Shaine | Lord is Gracious, Variant of Shaun | Meaning & Detail | |
| 803. | Shanley | Ancient Warrior, Child of the Old | Meaning & Detail | |
| 804. | Shann | Variant of Shaun from John | Meaning & Detail | |
| 805. | Shannen | Old, Ancient, River of Wisdom | Meaning & Detail | |
| 806. | Shar | Lord of Peace, Arrow, Mischief | Meaning & Detail | |
| 807. | Shauden | Variant of John, From Sean | Meaning & Detail | |
| 808. | Shaundre | Variant of John, From Sean | Meaning & Detail | |
| 809. | Shawnn | God is Gracious, Variant of John | Meaning & Detail | |
| 810. | Shaye | Courteous, Variant of Shea | Meaning & Detail | |
| 811. | Shaylon | Courteous Variant of Shea | Meaning & Detail | |
| 812. | Sheary | Irish Form of Geoffrey, Peace from | Meaning & Detail | |
| 813. | Sheelin | Lake of the Fairies, Lake | Meaning & Detail | |
| 814. | Sherod | Wild Man, Clearer of the Land | Meaning & Detail | |
| 815. | Sheron | Irish Form of Geoffrey | Meaning & Detail | |
| 816. | Shey | Variant of Shea, Courteous | Meaning & Detail | |
| 817. | Shohn | Gift from God, Variant of John / | Meaning & Detail | |
| 818. | Sibilini | Name of a Mountain | Meaning & Detail | |
| 819. | Sinann | Spearhead, Sharpened End of a | Meaning & Detail | |
| 820. | Siothrun | Peace of God | Meaning & Detail | |
| 821. | Slane | Homestead of Fullness | Meaning & Detail | |
| 822. | Slawin | Man of Mountain | Meaning & Detail | |
| 823. | Sloan | Warrior, Man of Arms, Fighter | Meaning & Detail | |
| 824. | Sloane | Warrior, Man of Arms, Fighter | Meaning & Detail | |
| 825. | Sol | Peaceful, Prayed for, God of the | Meaning & Detail | |
| 826. | Solomon | Man of Peace, Peaceful | Meaning & Detail | |
| 827. | Somhairle | Asked of God | Meaning & Detail | |
| 828. | Stiabhan | Crown, Garland, Gaelic Form of | Meaning & Detail | |
| 829. | Stuart | Steward, Stewart is Clan name of | Meaning & Detail | |
| 830. | Sulaiman | Peaceful, Name of a Prophet | Meaning & Detail | |
| 831. | Tadhg | Mythical a Prince of Munster | Meaning & Detail | |
| 832. | Tag | Handsome, Variant of Teague | Meaning & Detail | |
| 833. | Taggart | Son of the Priest, A Priest | Meaning & Detail | |
| 834. | Tait | Happy, Measure of Land, Form of | Meaning & Detail | |
| 835. | Taryn | King of Rocky Hill, Variant of | Meaning & Detail | |
| 836. | Tate | To be Cheerful, Great, Measure of | Meaning & Detail | |
| 837. | Taveon | Hillside, Variant of the Teeve / | Meaning & Detail | |
| 838. | Tavin | Hillside, Variant of Thomas, Twin | Meaning & Detail | |
| 839. | Tavio | Eighth, Abbreviation of Octavio | Meaning & Detail | |
| 840. | Tavion | Hillside, Eight, Variant of the | Meaning & Detail | |
| 841. | Tavon | Hillside, Nature, Variant of the | Meaning & Detail | |
| 842. | Ted | Gift of God, Wealthy Spearman | Meaning & Detail | |
| 843. | Terence | Soft, Smooth, Old Form of the | Meaning & Detail | |
| 844. | Teris | Son of Terrence | Meaning & Detail | |
| 845. | Terrence | Smooth, Tender, Form of Terence | Meaning & Detail | |
| 846. | Terriss | Son of Terrence | Meaning & Detail | |
| 847. | Terry | Powerful Ruler of the People | Meaning & Detail | |
| 848. | Tevin | Hillside, Combination of Te and | Meaning & Detail | |
| 849. | Tevis | Twin, Variant of Word Teeve / | Meaning & Detail | |
| 850. | Thady | Praise, Desire, Heart, Form of | Meaning & Detail | |
| 851. | Thomas | Twin, Master of Air Bending | Meaning & Detail | |
| 852. | Tibbot | Form of Theobald | Meaning & Detail | |
| 853. | Tighe | Poet, Bard, Handsome, Variant of | Meaning & Detail | |
| 854. | Timothy | Honouring God, Name of a Saint | Meaning & Detail | |
| 855. | Tipper | Nickname, Variant of Tabar, A well | Meaning & Detail | |
| 856. | Toby | Lord is Good, Goodness of the Lord | Meaning & Detail | |
| 857. | Tom | Twin, Form of Thomas, Honest | Meaning & Detail | |
| 858. | Tomas | Rock, Twin, A Form of Thomas | Meaning & Detail | |
| 859. | Tommy | Twin, Form of Thomas | Meaning & Detail | |
| 860. | Tor | King, Tower, Watchtower, God of | Meaning & Detail | |
| 861. | Toran | Watchtower, Variant of Torrence | Meaning & Detail | |
| 862. | Tore | Fighter of Thor, Little Hills, God | Meaning & Detail | |
| 863. | Toren | Watchtower, Variant of Torrence | Meaning & Detail | |
| 864. | Torence | Variant of Torrence, From the | Meaning & Detail | |
| 865. | Torion | Watchtower, Variant of Torrence | Meaning & Detail | |
| 866. | Torran | Variant of Torrence, From the | Meaning & Detail | |
| 867. | Torrance | Soft or Tender, Watchtower, Form | Meaning & Detail | |
| 868. | Travis | A Collector of Toll, To Cross the | Meaning & Detail | |
| 869. | Trenagusu | Strong of Vigour | Meaning & Detail | |
| 870. | Trevet | Three Mounds of Earth | Meaning & Detail | |
| 871. | Tuathal | Ruler of the People, Peaceful | Meaning & Detail | |
| 872. | Tully | Peaceful, Form of Tulla, A Little | Meaning & Detail | |
| 873. | Tyfiell | Derivative of the Scandinavian God | Meaning & Detail | |
| 874. | Uaid | Form of Walter | Meaning & Detail | |
| 875. | Uailteir | Ruler of the People | Meaning & Detail | |
| 876. | Uaiteir | Ruler of the People | Meaning & Detail | |
| 877. | Ualteir | Ruler of the Army | Meaning & Detail | |
| 878. | Uistean | Intelligent, Variant of Euston | Meaning & Detail | |
| 879. | Vince | Conquering, Form of Vincent | Meaning & Detail | |
| 880. | Whelan | Joyful, Son of Foalon, The Wolf | Meaning & Detail | |
| 881. | Zeus | King of Gods, God, Jupiter, Leader | Meaning & Detail |
