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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. | Abbot | Father, Priest | Meaning & Detail | |
| 2. | Adare | From the Ford of the Oak Tree | Meaning & Detail | |
| 3. | Aderrig | From the Red Ford | Meaning & Detail | |
| 4. | Adhamh | Son of the Red Earth, In the Bible | Meaning & Detail | |
| 5. | Aeneas | He who is Praised, To Praise | Meaning & Detail | |
| 6. | Aghaderg | From the Red Ford | Meaning & Detail | |
| 7. | Aghaistin | Great, The Max, Expansive | Meaning & Detail | |
| 8. | Aghamore | From the Great Field | Meaning & Detail | |
| 9. | Ahane | From the Little Ford | Meaning & Detail | |
| 10. | Ahearn | Lord of the Horses, A Horsekeeper | Meaning & Detail | |
| 11. | Ahern | Lord of the Horses | Meaning & Detail | |
| 12. | Aidrian | From the Adriatic | Meaning & Detail | |
| 13. | Ailfrid | Counsel from the Elves, Wise | Meaning & Detail | |
| 14. | Ainnle | One of the Sons of Usna, Fierce | Meaning & Detail | |
| 15. | Alain | From Le Gros One of the Fisher | Meaning & Detail | |
| 16. | Alam | World, Universe, The whole World | Meaning & Detail | |
| 17. | Alan | God of Shine, Handsome, Cheerful | Meaning & Detail | |
| 18. | Alastrann | Defender / Helper for Mankind | Meaning & Detail | |
| 19. | Alex | Form of Alexander, Helper and | Meaning & Detail | |
| 20. | Alexander | Helper / Protector / Defender of | Meaning & Detail | |
| 21. | Alphonsus | Common in Spain since the th | Meaning & Detail | |
| 22. | Alsander | Helper of Man | Meaning & Detail | |
| 23. | Amlaib | Ancestor's Heirloom | Meaning & Detail | |
| 24. | Anlun | Hero, Champion | Meaning & Detail | |
| 25. | Annaduff | From the Black Marsh | Meaning & Detail | |
| 26. | Anrai | Rules the Home, Derived from Einri | Meaning & Detail | |
| 27. | Anraoi | Lord of the Manor, House Owner | Meaning & Detail | |
| 28. | Anuj | Younger Brother, Lord Ganesha | Meaning & Detail | |
| 29. | Aodhagan | Dark, Ardent, Of the Sun God, Fire | Meaning & Detail | |
| 30. | Arainn | Name of Islands, The Western Coast | Meaning & Detail | |
| 31. | Ardagh | From the High Field | Meaning & Detail | |
| 32. | Ardara | Fort on the Hill | Meaning & Detail | |
| 33. | Ardkill | From the High Church | Meaning & Detail | |
| 34. | Argal | A Species of Wild Sheep, High | Meaning & Detail | |
| 35. | Argyle | From the Land of the Gauls / Irish | Meaning & Detail | |
| 36. | Aries | The Ram, Pledge, Oath, The Greek | Meaning & Detail | |
| 37. | Art | Rock, Bear, Adherent of the | Meaning & Detail | |
| 38. | Artan | The Eagle, Thor, Name of Dariush's | Meaning & Detail | |
| 39. | Artur | Bear, Rock, Thor, The Eagle, Bear | Meaning & Detail | |
| 40. | Arvis | The People's Friend | Meaning & Detail | |
| 41. | Asa | Healer, Starting Life at Dawn, A | Meaning & Detail | |
| 42. | Avery | Counsel from the Elves, Rules with | Meaning & Detail | |
| 43. | Avonmore | From the Great River | Meaning & Detail | |
| 44. | Avra | Father of a Multitude | Meaning & Detail | |
| 45. | Awv | Man from the Red Earth | Meaning & Detail | |
| 46. | Ayamonn | Wealthy Protector, Teacher | Meaning & Detail | |
| 47. | Baethan | The One | Meaning & Detail | |
| 48. | Bairrfhionn | Hair, With Fair Head, Marksman | Meaning & Detail | |
| 49. | Baiscend | Round Head | Meaning & Detail | |
| 50. | Ballinamore | From the Great River | Meaning & Detail | |
| 51. | Ballindeny | From the Town of Oak Wood | Meaning & Detail | |
| 52. | Banning | Small and Fair, One who Reads the | Meaning & Detail | |
| 53. | Barclay | From the Birch-tree Meadow, Meadow | Meaning & Detail | |
| 54. | Bardan | Lives near the Boar's Den, From | Meaning & Detail | |
| 55. | Barnaby | Son of Consolation, Prophet, Son | Meaning & Detail | |
| 56. | Barney | From the Land that was Burned | Meaning & Detail | |
| 57. | Barra | Fair Head, Spear, Marksman, White | Meaning & Detail | |
| 58. | Barrfind | With Fair Head, Hair | Meaning & Detail | |
| 59. | Barrie | Lives at the Barrier, Fair-haired | Meaning & Detail | |
| 60. | Barrocunas | Dog Head | Meaning & Detail | |
| 61. | Barry | Marksman, From the Land that was | Meaning & Detail | |
| 62. | Bartel | Rich in Land, From the Barley | Meaning & Detail | |
| 63. | Bartholomew | A Son that Suspends the Waters | Meaning & Detail | |
| 64. | Bartley | Birch Forest, From the Birch Tree | Meaning & Detail | |
| 65. | Bary | Form of Barry, Dweller of the | Meaning & Detail | |
| 66. | Baydan | One who Bathes | Meaning & Detail | |
| 67. | Beaglaioch | Descendant of the Little Hero | Meaning & Detail | |
| 68. | Begley | Little Hero | Meaning & Detail | |
| 69. | Beigleighinn | Descendant of the Little Scholar | Meaning & Detail | |
| 70. | Beiniaimin | Son of the Right Hand (Favourite | Meaning & Detail | |
| 71. | Beiti | Heather | Meaning & Detail | |
| 72. | Bellaghy | Wet Place, Mouth of the Marsh | Meaning & Detail | |
| 73. | Benedict | The Blessed One, Happy | Meaning & Detail | |
| 74. | Benjamin | Right Hand's Son, Born of the | Meaning & Detail | |
| 75. | Bergin | Spear-like, Lives on the Hill | Meaning & Detail | |
| 76. | Berk | Man of Strength, From the Birch | Meaning & Detail | |
| 77. | Berke | From a Fortified Castle, From the | Meaning & Detail | |
| 78. | Berkeley | From the Birch Tree Meadow, Place | Meaning & Detail | |
| 79. | Berkley | From the Birch Tree Meadow, Place | Meaning & Detail | |
| 80. | Bhrighde | Son of the Devotee of Saint Brigid | Meaning & Detail | |
| 81. | Bilal | The Chosen One, Black Man, First | Meaning & Detail | |
| 82. | Blair | Dweller on the Plain, Plain, Flat | Meaning & Detail | |
| 83. | Blar | From the Fields | Meaning & Detail | |
| 84. | Blathnat | Warrior from the Land of Lochs | Meaning & Detail | |
| 85. | Boyd | Son of the Yellow Haired, Blond | Meaning & Detail | |
| 86. | Boynton | From the White River, From the | Meaning & Detail | |
| 87. | Bradan | From the Broad Valley, Salmon | Meaning & Detail | |
| 88. | Braden | Broad Hillside, Salmon, From the | Meaning & Detail | |
| 89. | Bradley | Dweller at the Broad Meadow, Broad | Meaning & Detail | |
| 90. | Brady | Dweller on the Broad Island, Wide | Meaning & Detail | |
| 91. | Braeden | From the Dark Valley, Broad | Meaning & Detail | |
| 92. | Braidy | Broad-chested | Meaning & Detail | |
| 93. | Bram | Bramble, Raven, Father of Many, He | Meaning & Detail | |
| 94. | Braonain | Branonan's Heir | Meaning & Detail | |
| 95. | Breaslain | Violent, Truculent, The Ending | Meaning & Detail | |
| 96. | Brent | One with the Brand, Hilltop | Meaning & Detail | |
| 97. | Briant | Great National Hero of Ireland, He | Meaning & Detail | |
| 98. | Briar | Sleeping Beauty, Heather | Meaning & Detail | |
| 99. | Britt | The Helpful One, The Exalted One | Meaning & Detail | |
| 100. | Broderick | Descendant of Bruadar, From the | Meaning & Detail | |
| 101. | Bryant | Virtuous, He Ascends, Strength | Meaning & Detail | |
| 102. | Burk | From the Fortified Hill / Castle | Meaning & Detail | |
| 103. | Burne | A Spring, From the Brook, Place | Meaning & Detail | |
| 104. | Burney | Lives on the Brook Island, Form of | Meaning & Detail | |
| 105. | Byrne | Descendant of Bran, From the | Meaning & Detail | |
| 106. | Caden | Barrel, Fighter, The Spirit of | Meaning & Detail | |
| 107. | Cael | Slim, A Warrior of the Fianna | Meaning & Detail | |
| 108. | Caentigern | Head Lord | Meaning & Detail | |
| 109. | Caffar | Helmet | Meaning & Detail | |
| 110. | Cahey | Descended from the Victorious One | Meaning & Detail | |
| 111. | Cailean | Young Dog, Scottish Gaelic, The | Meaning & Detail | |
| 112. | Cailym | Pillar of the Church | Meaning & Detail | |
| 113. | Cainneach | Finely made, The Handsome, Comely | Meaning & Detail | |
| 114. | Caireall | Of the Lord, Free Man | Meaning & Detail | |
| 115. | Caiseal | From Cashel | Meaning & Detail | |
| 116. | Caith | From the Battlefield | Meaning & Detail | |
| 117. | Callahan | Little Bright Headed One | Meaning & Detail | |
| 118. | Canaday | Helmeted | Meaning & Detail | |
| 119. | Canady | Helmeted | Meaning & Detail | |
| 120. | Canavan | Black Headed One | Meaning & Detail | |
| 121. | Canice | Attractive, Pleasant, The Handsome | Meaning & Detail | |
| 122. | Carlon | From the Castle, Small Champion | Meaning & Detail | |
| 123. | Carly | Little Champion, Place name, The | Meaning & Detail | |
| 124. | Carlys | From the Castle Tower | Meaning & Detail | |
| 125. | Carman | Lord of the Castle | Meaning & Detail | |
| 126. | Carny | The Winner | Meaning & Detail | |
| 127. | Carolyn | The Little Champion | Meaning & Detail | |
| 128. | Carraig | From the Rocky Headland | Meaning & Detail | |
| 129. | Carran | Loving, Kind Hearted, Son of | Meaning & Detail | |
| 130. | Carson | Mossy Place, Son of the | Meaning & Detail | |
| 131. | Carthage | The Anglicised Form of the Irish | Meaning & Detail | |
| 132. | Carthaig | The Loving One, Son of Carthach | Meaning & Detail | |
| 133. | Cas | King of the Treasure | Meaning & Detail | |
| 134. | Cashel | From Cashel | Meaning & Detail | |
| 135. | Cass | Vain, He who Guards the Treasure | Meaning & Detail | |
| 136. | Cassian | Castle, Curly Headed | Meaning & Detail | |
| 137. | Cathair | Fighter, From the Broken Mossy | Meaning & Detail | |
| 138. | Cathan | Little Battle, Of the Battle | Meaning & Detail | |
| 139. | Cathbharr | Helmet | Meaning & Detail | |
| 140. | Ceadach | The Foremost Man | Meaning & Detail | |
| 141. | Ceallagh | Bright Headed, War | Meaning & Detail | |
| 142. | Ceanndubhain | White / Black Head | Meaning & Detail | |
| 143. | Celaig | Bright Headed | Meaning & Detail | |
| 144. | Cellachan | Bright Headed | Meaning & Detail | |
| 145. | Cellaich | Bright Headed | Meaning & Detail | |
| 146. | Cenn | Head | Meaning & Detail | |
| 147. | Cennfaelad | Wolf Head | Meaning & Detail | |
| 148. | Chonnacht | Hound of the Connachtmen | Meaning & Detail | |
| 149. | Cian | The Ancient One | Meaning & Detail | |
| 150. | Cilian | Bright Headed | Meaning & Detail | |
| 151. | Cinneide | Lord, Helmeted, Descendant of a | Meaning & Detail | |
| 152. | Cinneidid | Helmet Head | Meaning & Detail | |
| 153. | Cinneidigh | Variant of Cinneidid, Helmeted | Meaning & Detail | |
| 154. | Cionnaola | Wolf Head | Meaning & Detail | |
| 155. | Clancy | The Son of the Red Warrior, Ruddy | Meaning & Detail | |
| 156. | Clide | Washer | Meaning & Detail | |
| 157. | Cliffony | Grove of the Hurdles | Meaning & Detail | |
| 158. | Cluny | From the Meadow | Meaning & Detail | |
| 159. | Codell | Helpful | Meaning & Detail | |
| 160. | Codey | Cushion, Helpful, Pillow | Meaning & Detail | |
| 161. | Codie | Cushion, Helpful, Helper | Meaning & Detail | |
| 162. | Cody | Descendant of the Helpful One | Meaning & Detail | |
| 163. | Coe | Hollow in the Hill | Meaning & Detail | |
| 164. | Coillcumhann | From the Narrow Forest | Meaning & Detail | |
| 165. | Coireall | Of the Lord, Lordly | Meaning & Detail | |
| 166. | Colen | Victory of the People | Meaning & Detail | |
| 167. | Colhoun | The Narrow Woods, Place name | Meaning & Detail | |
| 168. | Colin | Victory of the People, Young Boy | Meaning & Detail | |
| 169. | Collins | Victory of the People | Meaning & Detail | |
| 170. | Collyn | Victor, Victory of the People | Meaning & Detail | |
| 171. | Colmkilla | Dove of the Church | Meaning & Detail | |
| 172. | Colquhoun | The Narrow Woods, From Colquhoun | Meaning & Detail | |
| 173. | Columbcille | Dove of the Church | Meaning & Detail | |
| 174. | Comgan | Pledge Together | Meaning & Detail | |
| 175. | Comgell | Pledged Together, Fellow Hostage | Meaning & Detail | |
| 176. | Comhgall | Pledged Together, Fellow Hostage | Meaning & Detail | |
| 177. | Comman | Twin, Co-birth, Together Born | Meaning & Detail | |
| 178. | Con | Constancy, With, Together | Meaning & Detail | |
| 179. | Conchobar | Lover of Wolves, Mythical Hero | Meaning & Detail | |
| 180. | Congan | Twin, Born Together | Meaning & Detail | |
| 181. | Conian | Hero | Meaning & Detail | |
| 182. | Conla | Highest Chief | Meaning & Detail | |
| 183. | Conlan | The Hero | Meaning & Detail | |
| 184. | Conlen | Hero | Meaning & Detail | |
| 185. | Conley | Ardent, Wise, Hero | Meaning & Detail | |
| 186. | Conlin | Hero | Meaning & Detail | |
| 187. | Conlon | Hero | Meaning & Detail | |
| 188. | Connelain | Hero | Meaning & Detail | |
| 189. | Connemara | Hound of the Sea | Meaning & Detail | |
| 190. | Connery | Warrior Lord, Child of the Hunting | Meaning & Detail | |
| 191. | Connlyn | Hero | Meaning & Detail | |
| 192. | Conway | Hound of the Plain, Holy River | Meaning & Detail | |
| 193. | Cooey | Hound of the Plains | Meaning & Detail | |
| 194. | Corc | Red, Crimson, Heart | Meaning & Detail | |
| 195. | Corcc | Red, Crimson, Heart | Meaning & Detail | |
| 196. | Cori | From the Round Hill | Meaning & Detail | |
| 197. | Corrick | From the Ravine, Hill Hollow | Meaning & Detail | |
| 198. | Corrie | The Hollow | Meaning & Detail | |
| 199. | Corry | The Hollow | Meaning & Detail | |
| 200. | Cory | Helmet, The Hollow, From the Round | Meaning & Detail | |
| 201. | Courtney | Court Attendant, Dweller by the | Meaning & Detail | |
| 202. | Covey | Hound of the Plains | Meaning & Detail | |
| 203. | Coyle | Leader in Battle, Follows the | Meaning & Detail | |
| 204. | Cuana | Pleasant, Distinguished | Meaning & Detail | |
| 205. | CuChonnacht | Hound of the Connachtmen | Meaning & Detail | |
| 206. | CuCoigriche | Hound of the Border | Meaning & Detail | |
| 207. | Cuircc | Red, Crimson, Heart | Meaning & Detail | |
| 208. | Cullen | The Son of the Holy One, Handsome | Meaning & Detail | |
| 209. | Culley | Dove, From the Woods, Diminutive | Meaning & Detail | |
| 210. | Cully | Dove, The Woods, Diminutive of | Meaning & Detail | |
| 211. | Cumhai | Hound of the Plain | Meaning & Detail | |
| 212. | CuMhaighe | Hound of the Plain | Meaning & Detail | |
| 213. | Cumhea | Hound of the Plains | Meaning & Detail | |
| 214. | Cummascaig | The Act of Mixing Together | Meaning & Detail | |
| 215. | Cunogennos | Man of Israel, Chief, Head | Meaning & Detail | |
| 216. | Cunogusas | Man of Israel, Chief, Head | Meaning & Detail | |
| 217. | Cunotami | Man of Israel, Chief, Head | Meaning & Detail | |
| 218. | Curney | Hero | Meaning & Detail | |
| 219. | Curoi | Field, Hound of the Battlefield / | Meaning & Detail | |
| 220. | Curr | Hero | Meaning & Detail | |
| 221. | Curran | Hero | Meaning & Detail | |
| 222. | Currey | Hero | Meaning & Detail | |
| 223. | Currie | The Hollow, Hero, Dagger, A Marshy | Meaning & Detail | |
| 224. | Currin | Hero, Champion | Meaning & Detail | |
| 225. | Curry | An Herb, The Hollow, A Marsh | Meaning & Detail | |
| 226. | CuUla | Hound of the Ulstermen | Meaning & Detail | |
| 227. | Cuyler | Chapel, An Archer / Bowman | Meaning & Detail | |
| 228. | Cvnigni | Here Lies | Meaning & Detail | |
| 229. | Cyndaf | Chief, Head, Man of Israel, Dusky | Meaning & Detail | |
| 230. | Daagduh | God of the Earth, Father God | Meaning & Detail | |
| 231. | Dacey | Adored, Southerner, Of the | Meaning & Detail | |
| 232. | Dacian | Southerner, Of the Nobility, From | Meaning & Detail | |
| 233. | Dacio | A Southerner, From Dacia | Meaning & Detail | |
| 234. | Dacy | Southerner, From South, Variant of | Meaning & Detail | |
| 235. | Dagda | God of the Earth, Father God | Meaning & Detail | |
| 236. | Dagon | Corn, Grain, The Earth | Meaning & Detail | |
| 237. | Daicey | From Dacia, From the South | Meaning & Detail | |
| 238. | Daicy | From Dacia, From the South | Meaning & Detail | |
| 239. | Dailey | Gather Together | Meaning & Detail | |
| 240. | Dalaigh | Counsellor, Frequenter, Gatherings | Meaning & Detail | |
| 241. | Dall | Wise, Blind, From the Dales, The | Meaning & Detail | |
| 242. | Dalla | From the Dales, The Valley Meadows | Meaning & Detail | |
| 243. | Dallin | From the Dale, Proud, Blind, A | Meaning & Detail | |
| 244. | Daniel | The Lord is My Judge, Joyful, God | Meaning & Detail | |
| 245. | Dar | Place where Deer Graze, Pearl | Meaning & Detail | |
| 246. | Darby | A Settlement where Deer Come | Meaning & Detail | |
| 247. | Daric | Strong, Oak-hearted | Meaning & Detail | |
| 248. | Darick | Strong, Oak-hearted | Meaning & Detail | |
| 249. | Darien | Wealthy Protector, Upholder of the | Meaning & Detail | |
| 250. | Darrick | Ruler of the Land, The People's | Meaning & Detail | |
| 251. | Darroch | Strong, Oak-hearted | Meaning & Detail | |
| 252. | Davie | Cherished, Beloved, Variant of | Meaning & Detail | |
| 253. | Dearbhor | Brook of the Dear | Meaning & Detail | |
| 254. | Declan | Man of Prayer, The name of an | Meaning & Detail | |
| 255. | Deicola | One who Cultivates the | Meaning & Detail | |
| 256. | Delaine | From the Elder Tree Grove | Meaning & Detail | |
| 257. | Delainey | Offspring of the Challenger | Meaning & Detail | |
| 258. | Delainy | Offspring of the Challenger | Meaning & Detail | |
| 259. | Delancy | From the Elder Tree Grove | Meaning & Detail | |
| 260. | Delane | From the Elder Tree Grove | Meaning & Detail | |
| 261. | Delaney | Offspring of the Challenger, From | Meaning & Detail | |
| 262. | Delany | Offspring of the Challenger | Meaning & Detail | |
| 263. | Dellaney | From the Alder Grove | Meaning & Detail | |
| 264. | Dempsey | From the Judge's Meadow, Proud | Meaning & Detail | |
| 265. | Derri | City in Northern Ireland | Meaning & Detail | |
| 266. | Derry | City in Northern Ireland, Rich | Meaning & Detail | |
| 267. | Desmond | Gracious Defender, Man of the | Meaning & Detail | |
| 268. | Dessi | From the South Munster | Meaning & Detail | |
| 269. | Devaan | Divine, Worshipper of the God | Meaning & Detail | |
| 270. | Diancecht | God of Healing and Medicine | Meaning & Detail | |
| 271. | Diarmid | Without Envy, The Lord Exalts | Meaning & Detail | |
| 272. | Digby | Farm by a Ditch, Town by the Ditch | Meaning & Detail | |
| 273. | Dillin | From the Sea | Meaning & Detail | |
| 274. | Dinsmore | From the Hill Fort, Fortified Hill | Meaning & Detail | |
| 275. | Dobagni | The Stone of | Meaning & Detail | |
| 276. | Doctor | The th Son of the th Son | Meaning & Detail | |
| 277. | Dominic | Lord's Child, Belonging to the | Meaning & Detail | |
| 278. | Domnall | Ruler of the World, World Mighty | Meaning & Detail | |
| 279. | Don | Ruler of the World, Form of | Meaning & Detail | |
| 280. | Donald | Ruler of the World, Brown | Meaning & Detail | |
| 281. | Donegal | Strong Hold of the Foreigners | Meaning & Detail | |
| 282. | Donn | World Ruler, In Mythology the | Meaning & Detail | |
| 283. | Donnacha | Brown Headed Warrior | Meaning & Detail | |
| 284. | Donncha | Brown, Lord, Brown Headed Warrior | Meaning & Detail | |
| 285. | Donnchad | Brown, Lord, Brown Headed Warrior | Meaning & Detail | |
| 286. | Donnchada | Brown Headed Warrior | Meaning & Detail | |
| 287. | Donnchadha | Brown Headed Warrior | Meaning & Detail | |
| 288. | Donnie | Ruler of the World, Form of Donn | Meaning & Detail | |
| 289. | Donogh | Brown Warrior / Head | Meaning & Detail | |
| 290. | Donough | Brown Warrior / Head | Meaning & Detail | |
| 291. | Donovan | Son of the Dark One, Dark Warrior | Meaning & Detail | |
| 292. | Dooley | Dark Hero | Meaning & Detail | |
| 293. | Dougal | Dweller by the Dark Stream, Dark / | Meaning & Detail | |
| 294. | Drummond | Lives on the Hill top, At the | Meaning & Detail | |
| 295. | Dubhdara | Dark Man of the Oak | Meaning & Detail | |
| 296. | Dubhdarach | Black One of the Oak Tree | Meaning & Detail | |
| 297. | Dubhglas | From the Dark Water | Meaning & Detail | |
| 298. | Dubthaig | The One from the Dark House, Dark | Meaning & Detail | |
| 299. | Dudley | From the People's Field, People, S | Meaning & Detail | |
| 300. | Duer | Hero | Meaning & Detail | |
| 301. | Duffy | The Dark One who brings Peace | Meaning & Detail | |
| 302. | Dugan | The Dark One, To be Worthy | Meaning & Detail | |
| 303. | Dunkooan | Brown One of the Hound Packs | Meaning & Detail | |
| 304. | Dwayne | From the Dunes, Dark, Black | Meaning & Detail | |
| 305. | Ear | From the East | Meaning & Detail | |
| 306. | Earvin | Friend of the Sea, Sea Friend | Meaning & Detail | |
| 307. | Einri | Home Ruler, Ruler of the Estate | Meaning & Detail | |
| 308. | Elia | Succeed, The Lord is My God | Meaning & Detail | |
| 309. | Elias | The God is My Lord, Jehovah is | Meaning & Detail | |
| 310. | Enabarr | Bird-head | Meaning & Detail | |
| 311. | Enabarri | Bird-head | Meaning & Detail | |
| 312. | Ennree | Ruler of the Estate | Meaning & Detail | |
| 313. | Enri | Lord of the Manor, House Owner | Meaning & Detail | |
| 314. | Enright | Son of the Attacker | Meaning & Detail | |
| 315. | Eoan | Born of the Yew | Meaning & Detail | |
| 316. | Eogan | Born of the Yew | Meaning & Detail | |
| 317. | Eoghain | Owner of the Land | Meaning & Detail | |
| 318. | Eoghanan | Youth, Born of the Yew | Meaning & Detail | |
| 319. | Eoin-Baiste | Form of John the Baptist | Meaning & Detail | |
| 320. | EoinBaiste | Form of John the Baptist | Meaning & Detail | |
| 321. | Ernest | Sincere, Serious Battle to the | Meaning & Detail | |
| 322. | Ernine | Battle of the Death, Serious | Meaning & Detail | |
| 323. | Erskine | Over the Knife, Dweller of the top | Meaning & Detail | |
| 324. | Ervin | Friend of the Sea, Form of Irving | Meaning & Detail | |
| 325. | Ervine | Friend of the Sea, Place name | Meaning & Detail | |
| 326. | Erving | Noble, Boar Friend, Friend of the | Meaning & Detail | |
| 327. | Etnobarros | Bird Head | Meaning & Detail | |
| 328. | Euston | Heart | Meaning & Detail | |
| 329. | Evaan | Young Warrior, The Lord is | Meaning & Detail | |
| 330. | Evan | The Lord is Gracious, Young | Meaning & Detail | |
| 331. | Evin | God is Merciful, The Lord is | Meaning & Detail | |
| 332. | Ewen | Of the Yew Tree, Well Born, Lord | Meaning & Detail | |
| 333. | Fahee | From the Green Field | Meaning & Detail | |
| 334. | Fahey | From the Green Field | Meaning & Detail | |
| 335. | Fahi | From the Green Field | Meaning & Detail | |
| 336. | Fahy | From the Green Field | Meaning & Detail | |
| 337. | Farel | Heroic, A Superior Man | Meaning & Detail | |
| 338. | Faril | Heroic, A Superior Man | Meaning & Detail | |
| 339. | Farran | Baker, The Land, Ardent for Peace | Meaning & Detail | |
| 340. | Farrel | Brave, Hero, Man of Courage | Meaning & Detail | |
| 341. | Farrell | Son of the Man of Valour | Meaning & Detail | |
| 342. | Farren | Traveller, The Land, Adventurous | Meaning & Detail | |
| 343. | Farrill | Man of Courage, Hero | Meaning & Detail | |
| 344. | Farrin | Blacksmith, The Land | Meaning & Detail | |
| 345. | Farryll | Man of Courage, Hero | Meaning & Detail | |
| 346. | Fearghas | Highest Choice | Meaning & Detail | |
| 347. | Fearghus | Highest Choice, Supreme Man, Manly | Meaning & Detail | |
| 348. | Feargus | Rock, Highest Choice, Similar to | Meaning & Detail | |
| 349. | Feeocka | Little White Head | Meaning & Detail | |
| 350. | Fergus | Of Manly Strength, Highest Choice | Meaning & Detail | |
| 351. | Ferguson | Vigorous Man, Son of the First | Meaning & Detail | |
| 352. | Fergusson | Highest Choice, Son of the First | Meaning & Detail | |
| 353. | Ferrell | Hero, Man of Courage, Brave | Meaning & Detail | |
| 354. | Ferrill | Man of Courage, Hero, Variant of | Meaning & Detail | |
| 355. | Ferryl | Man of Courage, Hero | Meaning & Detail | |
| 356. | Finbar | Blond, White, Fair Headed One | Meaning & Detail | |
| 357. | Finbarr | Fair Headed | Meaning & Detail | |
| 358. | Findbarr | White Head | Meaning & Detail | |
| 359. | Finleigh | Variant of Finlay, Fair Hero | Meaning & Detail | |
| 360. | Finloog | The name of a Celtic God, Finn | Meaning & Detail | |
| 361. | Fintain | Fair One, White Head | Meaning & Detail | |
| 362. | Fionnbar | Fair Headed | Meaning & Detail | |
| 363. | Fionnbhar | Fair Headed | Meaning & Detail | |
| 364. | Fionnbharr | White, Fair Head, Variant of | Meaning & Detail | |
| 365. | Fitzroy | Son of Roy, Son of the King, Son | Meaning & Detail | |
| 366. | Fiynn | Ruddy, Son of the Red Haired One | Meaning & Detail | |
| 367. | Flannan | Bright Headed, War Strife | Meaning & Detail | |
| 368. | Flin | Son of the Red Haired One | Meaning & Detail | |
| 369. | Floyd | White Haired, The Hollow, Flood | Meaning & Detail | |
| 370. | Fmawn | Fair, Bright White, Light Headed | Meaning & Detail | |
| 371. | Forba | Owns the Fields | Meaning & Detail | |
| 372. | Forbes | Prosperous, Field, Headstrong | Meaning & Detail | |
| 373. | Fraech | Heather | Meaning & Detail | |
| 374. | Fraochan | Heather | Meaning & Detail | |
| 375. | Frek | Heather | Meaning & Detail | |
| 376. | Frekan | Heather | Meaning & Detail | |
| 377. | Froechan | Little Heather | Meaning & Detail | |
| 378. | Gabhan | White, Little Falcon, From the | Meaning & Detail | |
| 379. | Gael | Stranger, Cheerful, Happy | Meaning & Detail | |
| 380. | Gail | Lively, Cheerful, Happy | Meaning & Detail | |
| 381. | Gaile | Cheerful, Happy, Foreigner | Meaning & Detail | |
| 382. | Gaill | Cheerful, Happy, Foreigner | Meaning & Detail | |
| 383. | Gainer | Son of the Fair Skinned One | Meaning & Detail | |
| 384. | Gainor | Son of the Fair Skinned One, Fair | Meaning & Detail | |
| 385. | Gale | Lively, Cheerful, Happy | Meaning & Detail | |
| 386. | Galen | Peaceful, Calm, Healer, Tranquil | Meaning & Detail | |
| 387. | Gallager | Foreign Help | Meaning & Detail | |
| 388. | Gallagher | Foreign / Eager Helper, Surname | Meaning & Detail | |
| 389. | Galloway | Strange / Foreign Route, Of the | Meaning & Detail | |
| 390. | Garett | Mighty with a Spear, Rules by the | Meaning & Detail | |
| 391. | Garod | Brave with the Spear | Meaning & Detail | |
| 392. | Gayle | Cheerful, Jovial, Happy, Stranger | Meaning & Detail | |
| 393. | Gayner | Son of the Fair Skinned One | Meaning & Detail | |
| 394. | Gaynnor | Son of the Fair Skinned One | Meaning & Detail | |
| 395. | Gaynor | Son of the Fair-skinned One | Meaning & Detail | |
| 396. | Geraghty | From the Court | Meaning & Detail | |
| 397. | Gilbey | Estate of the Hostage, Blond | Meaning & Detail | |
| 398. | Gilchrist | The Servant of Christ / God | Meaning & Detail | |
| 399. | Gilderoy | Servant of the Redhead | Meaning & Detail | |
| 400. | Gildray | Servant of the Redhead | Meaning & Detail | |
| 401. | Gildroy | Servant of the Redhead | Meaning & Detail | |
| 402. | Gilla | The Fellow, The Youth, Serving-man | Meaning & Detail | |
| 403. | Gillbey | Estate of the Hostage, Blond | Meaning & Detail | |
| 404. | Gillbie | Estate of the Hostage, Blond Boy | Meaning & Detail | |
| 405. | Gillby | Estate of the Hostage, Blond Boy | Meaning & Detail | |
| 406. | Gillespie | Servant of the Bishop | Meaning & Detail | |
| 407. | Gillis | Servant, Son of the Bishop's | Meaning & Detail | |
| 408. | Gillmore | Servant of the Virgin Mary | Meaning & Detail | |
| 409. | Gillmour | Servant of the Virgin Mary | Meaning & Detail | |
| 410. | Gillroy | Servant of the Redhead | Meaning & Detail | |
| 411. | Gilmore | Servant of the Virgin Mary, Sword | Meaning & Detail | |
| 412. | Gilmour | Servant of the Virgin Mary | Meaning & Detail | |
| 413. | Gilpatrick | Son of the Servant of (Saint) | Meaning & Detail | |
| 414. | Gilroy | Servant of the Red Haired Lord | Meaning & Detail | |
| 415. | Giollaeaspaig | Servant of the Bishop | Meaning & Detail | |
| 416. | GiollaNaNaomh | Servant of the Saints | Meaning & Detail | |
| 417. | Glaleanna | Dwells in the Glen | Meaning & Detail | |
| 418. | Gleann | From the Glen, Glen is a Narrow | Meaning & Detail | |
| 419. | Glenn | Valley, Valley in the Mountains | Meaning & Detail | |
| 420. | Glenville | From the Village in the Glen | Meaning & Detail | |
| 421. | Gogarty | Banished | Meaning & Detail | |
| 422. | Gordain | Hero | Meaning & Detail | |
| 423. | Gordan | Hill near the Meadow, Triangular | Meaning & Detail | |
| 424. | Gordon | Hill near the Meadow, From the | Meaning & Detail | |
| 425. | Guillaume | Resolute Protector, Will-helmet | Meaning & Detail | |
| 426. | Guthrie | A Wind Blown Place, War Hero | Meaning & Detail | |
| 427. | Guy | Professional Guide, Staff of the | Meaning & Detail | |
| 428. | Hagen | The Highest Son, Killed Siegfried | Meaning & Detail | |
| 429. | Haily | From the Hay Meadow, Ingenious | Meaning & Detail | |
| 430. | Haley | Ingenious, Clever, Hero | Meaning & Detail | |
| 431. | Haly | From the Holy Meadow, Hall in the | Meaning & Detail | |
| 432. | Hanley | From the High Meadow, Champion | Meaning & Detail | |
| 433. | Hannraoi | Rules the Home | Meaning & Detail | |
| 434. | Hanraoi | Rules the Home | Meaning & Detail | |
| 435. | Hayes | Brushwood or Undergrowth, From the | Meaning & Detail | |
| 436. | Hayley | From the Hay Meadow, Ingenious | Meaning & Detail | |
| 437. | Heber | Togetherness, Partner, Heber was | Meaning & Detail | |
| 438. | Henry | Ruler of the House, Ruler of the | Meaning & Detail | |
| 439. | Hickey | Healer | Meaning & Detail | |
| 440. | Hughey | Heart, Mind, Intelligent | Meaning & Detail | |
| 441. | Hurley | Child of the Seas and Tides, Lord | Meaning & Detail | |
| 442. | Iarlaith | Royalty, Lord of the West | Meaning & Detail | |
| 443. | Iasan | Healer | Meaning & Detail | |
| 444. | Imar | Bow Warrior, Archer | Meaning & Detail | |
| 445. | Ingnathach | Druid of the Fir Bolg | Meaning & Detail | |
| 446. | Inis | From the River Island | Meaning & Detail | |
| 447. | Iniss | From the River Island | Meaning & Detail | |
| 448. | Innes | From the River Island | Meaning & Detail | |
| 449. | Innis | From the River Island, Island | Meaning & Detail | |
| 450. | Inys | From the River Island | Meaning & Detail | |
| 451. | Iomhar | Army Warrior with Bow, Archer | Meaning & Detail | |
| 452. | Ionhar | Archer | Meaning & Detail | |
| 453. | Iosaef | He will Enlarge | Meaning & Detail | |
| 454. | Ioseph | God will Multiply, He will Enlarge | Meaning & Detail | |
| 455. | Iosog | He May Laugh | Meaning & Detail | |
| 456. | Issac | Laughter, He will Laugh, Joyful | Meaning & Detail | |
| 457. | Ivan | Archer, Gift of God, God's | Meaning & Detail | |
| 458. | Iver | Fighter with Bow, Archer, Yew | Meaning & Detail | |
| 459. | Ivor | Archer's Bow, Yew, Bow Army, Yew | Meaning & Detail | |
| 460. | Jacob | Following after, Supplanter, Held | Meaning & Detail | |
| 461. | Jagat | The Universe, World | Meaning & Detail | |
| 462. | Jake | Supplanter, Held by the Heel, Form | Meaning & Detail | |
| 463. | Jarlath | Tributary Lord, Lord of the West | Meaning & Detail | |
| 464. | Jed | The Hand, Friend of God, Beloved | Meaning & Detail | |
| 465. | Jehan | The Lord is Gracious, God's | Meaning & Detail | |
| 466. | Jeremiah | God will Uplift, Exalted of the | Meaning & Detail | |
| 467. | Jeremy | Appointed by God, The Lord Exalts | Meaning & Detail | |
| 468. | Joe | God Raises, God will, He will | Meaning & Detail | |
| 469. | Joeseph | Yahweh will Add Another Son | Meaning & Detail | |
| 470. | Johannes | German Form of John, Merciful, The | Meaning & Detail | |
| 471. | Jon | The Lord is Gracious, God has | Meaning & Detail | |
| 472. | Joshua | Jehovah Saves, The Lord is | Meaning & Detail | |
| 473. | Kace | Descendant of the Vigilant One | Meaning & Detail | |
| 474. | Karbra | Ruler of the Chariot | Meaning & Detail | |
| 475. | Karney | The Winner, Fighter, Victorious | Meaning & Detail | |
| 476. | Kassady | Clever, Curly Headed | Meaning & Detail | |
| 477. | Kavan | Water, Poem, The Handsome One | Meaning & Detail | |
| 478. | Kayvan | The Universe, World, Handsome | Meaning & Detail | |
| 479. | Kearney | The Winner, Victorious, Champion | Meaning & Detail | |
| 480. | Keith | Of the Forest, Wood, From the | Meaning & Detail | |
| 481. | Kelvin | From the Narrow River, River Man | Meaning & Detail | |
| 482. | Kenadee | Helmet Head | Meaning & Detail | |
| 483. | Kenard | Brave Cheiftain | Meaning & Detail | |
| 484. | Kendle | The Kent River Valley | Meaning & Detail | |
| 485. | Kendric | Royal Chieftain, Son of Henry | Meaning & Detail | |
| 486. | Kenedy | Head, Helmet Head | Meaning & Detail | |
| 487. | Kennady | Head, Helmet Head | Meaning & Detail | |
| 488. | Kennedey | Helmeted | Meaning & Detail | |
| 489. | Kennedy | Protected with Helmet, Chief | Meaning & Detail | |
| 490. | Kenny | Handsome, The Valley of the Kent | Meaning & Detail | |
| 491. | Kentigern | Chief Lord, Name of the First | Meaning & Detail | |
| 492. | Kerry | Son of the Black One, Ciar's | Meaning & Detail | |
| 493. | Keyan | Heart, God is Gracious, Being | Meaning & Detail | |
| 494. | Keyon | Guiding, Leading, The White Haired | Meaning & Detail | |
| 495. | Killeen | Bright Headed | Meaning & Detail | |
| 496. | Kinnaird | From the Tall Hill | Meaning & Detail | |
| 497. | Kinnard | From the Tall Hill | Meaning & Detail | |
| 498. | Kinnell | From the Head of the Cliff | Meaning & Detail | |
| 499. | Kirby | Church Village, Form the Church | Meaning & Detail | |
| 500. | Kookigrihy | Hound of the Border | Meaning & Detail | |
| 501. | Kookunnockt | Hound of the Connachtmen | Meaning & Detail | |
| 502. | Kooulla | Hound of the Ulstermen | Meaning & Detail | |
| 503. | Koovy | Hound of the Plain | Meaning & Detail | |
| 504. | Kunnockt | Wise, The Descendants of Conn | Meaning & Detail | |
| 505. | Kwayne | Pleasant, Distinguished, Wolf | Meaning & Detail | |
| 506. | Kyler | An Archer, A Place name, A Wood or | Meaning & Detail | |
| 507. | Laegaire | Calf Herd | Meaning & Detail | |
| 508. | Laeghaire | Calf Heard | Meaning & Detail | |
| 509. | Laidhgeann | Snow Head | Meaning & Detail | |
| 510. | Lakeland | Home of the Norse | Meaning & Detail | |
| 511. | Laoghaire | Shepherd | Meaning & Detail | |
| 512. | Laoire | Calf Herd | Meaning & Detail | |
| 513. | Lazarus | Flame, Fire, God is My Help, My | Meaning & Detail | |
| 514. | Lazer | God has Helped | Meaning & Detail | |
| 515. | Leannain | Sweat Heart, Lover | Meaning & Detail | |
| 516. | Leannan | Of a Courtesan, Lover, Sweetheart | Meaning & Detail | |
| 517. | Leeam | Will, Desire and Helmet | Meaning & Detail | |
| 518. | Leeber | Liberal, Free, Another name for | Meaning & Detail | |
| 519. | Leegan | Snow Head | Meaning & Detail | |
| 520. | Leenan | The Filling Pool | Meaning & Detail | |
| 521. | Leigh | Dweller near the Wood or Clearing | Meaning & Detail | |
| 522. | Leland | From the Meadow Land, Land Lying | Meaning & Detail | |
| 523. | Lennan | Lover, Sweetheart | Meaning & Detail | |
| 524. | Liber | Another name for Dionysus, Free | Meaning & Detail | |
| 525. | Lisburn | Ring Fort of the Gamblers | Meaning & Detail | |
| 526. | Lochlain | Home of the Norse | Meaning & Detail | |
| 527. | Lochlann | Vikings, Home of the Norse | Meaning & Detail | |
| 528. | Lochlin | Viking, From the Lake | Meaning & Detail | |
| 529. | Loman | Honesty, Bare, Enlightened, The | Meaning & Detail | |
| 530. | Lucan | Joins, Brother of Arthur, Light | Meaning & Detail | |
| 531. | Lucky | Fortunate, A Region of Southern | Meaning & Detail | |
| 532. | Lugh | Brightness, Light, God of the Sun | Meaning & Detail | |
| 533. | Lynton | From the Flax / Cotton Settlement | Meaning & Detail | |
| 534. | Macallister | Son of Alistair, Alistair is the | Meaning & Detail | |
| 535. | Macbride | Follower of Saint Brigid, He was | Meaning & Detail | |
| 536. | Macbryde | Follower of Saint Brigid, He was | Meaning & Detail | |
| 537. | Mackenzie | Pretty, Good-looking, Child of the | Meaning & Detail | |
| 538. | Mackinley | Son of the Learned King, Learned | Meaning & Detail | |
| 539. | Mackinnley | Son of the Learned Ruler | Meaning & Detail | |
| 540. | Maclean | Son of Leander, Son of the Servant | Meaning & Detail | |
| 541. | Macmahon | Son of the Bear, Son of Mahon | Meaning & Detail | |
| 542. | Macmurray | Son of the Seafarer | Meaning & Detail | |
| 543. | Maelduin | Warrior of the Fortress | Meaning & Detail | |
| 544. | Magael | Son of the Irish | Meaning & Detail | |
| 545. | Maglocunos | A Prince, Hero | Meaning & Detail | |
| 546. | Maguidhir | Son of the Brown Haired One | Meaning & Detail | |
| 547. | Maguire | Son of the Beige One | Meaning & Detail | |
| 548. | Mairon | Star of the Sea | Meaning & Detail | |
| 549. | Maithi | Son of the Bear, Strong Battle | Meaning & Detail | |
| 550. | Malachy | Messenger of God, The Title of the | Meaning & Detail | |
| 551. | Malvynn | Sword Friend, Polished Chief | Meaning & Detail | |
| 552. | Maolanaithe | Devotee of the Storm | Meaning & Detail | |
| 553. | Maolmhuadh | Descendant of the Devotee | Meaning & Detail | |
| 554. | Maolmhuire | Servant of the Virgin Mary | Meaning & Detail | |
| 555. | Maqtaza | Kind Hearted | Meaning & Detail | |
| 556. | Marcas | Warlike, Of Mars, The Roman | Meaning & Detail | |
| 557. | Marcel | Mars, The Roman God of War, Form | Meaning & Detail | |
| 558. | Marcus | War-like, Mars, The Roman God of | Meaning & Detail | |
| 559. | Mariah | Star of the Sea, God is My Teacher | Meaning & Detail | |
| 560. | Marilyn | Star of the Sea, Combination of | Meaning & Detail | |
| 561. | Mark | War-like, Mars, From the God Mars | Meaning & Detail | |
| 562. | Martin | From the God Mars, War-like | Meaning & Detail | |
| 563. | Matha | Lady Mistress of the House | Meaning & Detail | |
| 564. | Mathias | Variant of Matthias, Gift of the | Meaning & Detail | |
| 565. | Matthew | God's Present, Gift of the Lord | Meaning & Detail | |
| 566. | Matthias | Gift of the Lord | Meaning & Detail | |
| 567. | Matty | Gift of the Lord, Strong in War | Meaning & Detail | |
| 568. | Maximus | The Greatest | Meaning & Detail | |
| 569. | Mayo | Lives near the Yew Trees, From the | Meaning & Detail | |
| 570. | Mcguire | Son of the Beige One | Meaning & Detail | |
| 571. | Mcgwire | Son of the Beige One | Meaning & Detail | |
| 572. | Mckenzie | Pretty, Good-looking, Son of the | Meaning & Detail | |
| 573. | Mckinley | Son of the Learned King, Son of | Meaning & Detail | |
| 574. | Mcmahon | Son of the Bear | Meaning & Detail | |
| 575. | Mcmurray | Son of the Seafarer | Meaning & Detail | |
| 576. | Meade | From the Meadow, Honey Wine | Meaning & Detail | |
| 577. | Melanaha | Devotee of the Storm | Meaning & Detail | |
| 578. | Melchior | Wise Man from the East, King | Meaning & Detail | |
| 579. | Melwin | Sword Friend, Polished Chief | Meaning & Detail | |
| 580. | Melwyn | Polished Chief, Sword Friend | Meaning & Detail | |
| 581. | Melwynn | Sword Friend, Polished Chief | Meaning & Detail | |
| 582. | Merv | Lover of the Sea, Loves the Sea | Meaning & Detail | |
| 583. | Meryle | Shining, From the name Merle | Meaning & Detail | |
| 584. | Micheal | One who is like God, Like the | Meaning & Detail | |
| 585. | Molan | Servant of the Storm | Meaning & Detail | |
| 586. | Molly | The Perfect One | Meaning & Detail | |
| 587. | Monroe | Bald, Red, From the Red Swamp | Meaning & Detail | |
| 588. | Moony | Reflects Love, Silent, With the | Meaning & Detail | |
| 589. | Moore | From the Moors, Dark Skinned | Meaning & Detail | |
| 590. | Morrissey | Choice of the Sea | Meaning & Detail | |
| 591. | Morvin | Child of the Sea, Pale, A Mariner | Meaning & Detail | |
| 592. | Moses | Drawn out of the Water, Saved | Meaning & Detail | |
| 593. | Moss | Drawn out of the Water, Saviour or | Meaning & Detail | |
| 594. | Mugron | Lad of the Seals | Meaning & Detail | |
| 595. | Muire | Star of the Sea | Meaning & Detail | |
| 596. | Muireadhach | Lord of the Sea | Meaning & Detail | |
| 597. | Muirioch | Settlement by the Sea | Meaning & Detail | |
| 598. | Munro | Bald, Red, From the Red Marsh | Meaning & Detail | |
| 599. | Munroe | From the Red Marsh | Meaning & Detail | |
| 600. | Murchadh | Protector / Fighter of the Sea | Meaning & Detail | |
| 601. | Murchu | Hound of the Sea | Meaning & Detail | |
| 602. | Murkoo | Hound of the Sea | Meaning & Detail | |
| 603. | Murrough | Fighter of the Sea | Meaning & Detail | |
| 604. | Murry | Lives by the Sea, Lord of the Sea | Meaning & Detail | |
| 605. | Naithi | Nephew of a Tree | Meaning & Detail | |
| 606. | Natan | God has given, Prophet, Gift from | Meaning & Detail | |
| 607. | Nathy | Nephew of a Tree | Meaning & Detail | |
| 608. | Neachtan | Descendant of the Waters, God name | Meaning & Detail | |
| 609. | Neale | The Champion | Meaning & Detail | |
| 610. | Ness | From the Headland | Meaning & Detail | |
| 611. | Nevin | Nephew, Little Bone, Servant of | Meaning & Detail | |
| 612. | Nevins | Worships the Saints, Little Saint | Meaning & Detail | |
| 613. | Nevyn | Worships the Saints, Holy | Meaning & Detail | |
| 614. | Nicholas | People's Triumph, Victory of the | Meaning & Detail | |
| 615. | Nickol | Victory of the People | Meaning & Detail | |
| 616. | Nicky | People's Triumph, Victory of the | Meaning & Detail | |
| 617. | Nigellus | Champion, Victory of the People | Meaning & Detail | |
| 618. | Niocal | Victory of the People | Meaning & Detail | |
| 619. | Nioclas | Victory of the People | Meaning & Detail | |
| 620. | Niocol | Victory of the People | Meaning & Detail | |
| 621. | Norman | Surname, Northerner, Man from the | Meaning & Detail | |
| 622. | Nuadha | The Cloud Maker, Fog | Meaning & Detail | |
| 623. | Nuadu | The Cloud Maker, Fog | Meaning & Detail | |
| 624. | Odanodan | Of the Red Earth | Meaning & Detail | |
| 625. | Oilibhear | Relic, Heir to his Ancestors | Meaning & Detail | |
| 626. | Olaf | Ancestor's Heirloom, Descendants | Meaning & Detail | |
| 627. | Olave | Ancestral Heritage, Relic | Meaning & Detail | |
| 628. | Oliver | Olive Tree, Elf Army, The Olive | Meaning & Detail | |
| 629. | Orran | The name of an English River, Pale | Meaning & Detail | |
| 630. | Orren | The name of an English River, Pale | Meaning & Detail | |
| 631. | Orrin | The name of an English River | Meaning & Detail | |
| 632. | Oscar | Friend of the Deer, God's Spear | Meaning & Detail | |
| 633. | Oshane | Son of Shea | Meaning & Detail | |
| 634. | Oshe | Son of Shea | Meaning & Detail | |
| 635. | Owen | Help from Allah, Well Born, Young | Meaning & Detail | |
| 636. | Ownry | Ruler of the State | Meaning & Detail | |
| 637. | Parra | The Supreme | Meaning & Detail | |
| 638. | Parth | Emperor of the World, King | Meaning & Detail | |
| 639. | Pearse | From the Piers, Tone, Rock, Leader | Meaning & Detail | |
| 640. | Peyton | Warrior's Town, From the Fighter's | Meaning & Detail | |
| 641. | Pharis | A Heroic Man | Meaning & Detail | |
| 642. | Phillip | One of the Biblical Apostles | Meaning & Detail | |
| 643. | Piran | Saint Piran is the Cornish Patron | Meaning & Detail | |
| 644. | Poll | Star of the Sea, Small, Form of | Meaning & Detail | |
| 645. | Qamar | The Moon, Satellite | Meaning & Detail | |
| 646. | Quillan | From the Woods, Cub | Meaning & Detail | |
| 647. | Rafer | Form of Raphael, God has Healed | Meaning & Detail | |
| 648. | Ragallach | Irish King / Hero | Meaning & Detail | |
| 649. | Raju | The King of World, Prosperity | Meaning & Detail | |
| 650. | Rayan | Doorman of Heaven, Soft Touch | Meaning & Detail | |
| 651. | Reegen | King, Heir | Meaning & Detail | |
| 652. | Regan | The Descendant of a King, Little | Meaning & Detail | |
| 653. | Reidhachadh | From the Smooth Field | Meaning & Detail | |
| 654. | Revelin | Famed throughout the Land, Form of | Meaning & Detail | |
| 655. | Riddoc | From the Smooth Field | Meaning & Detail | |
| 656. | Riddock | From the Smooth Field | Meaning & Detail | |
| 657. | Riordan | A Bard for the King, King's Poet | Meaning & Detail | |
| 658. | Roan | From the Rowan Tree, Little | Meaning & Detail | |
| 659. | Rogan | Red Haired, Red-head | Meaning & Detail | |
| 660. | Rogen | Redhead | Meaning & Detail | |
| 661. | Rogin | Redhead | Meaning & Detail | |
| 662. | Rogue | Redhead | Meaning & Detail | |
| 663. | Roland | Famous Land Owner, Renowned in the | Meaning & Detail | |
| 664. | Rooney | Red Haired, Hero | Meaning & Detail | |
| 665. | Ross | Red Haired, Headland, Red | Meaning & Detail | |
| 666. | Rowan | Ruadhan's Descendant, From the | Meaning & Detail | |
| 667. | Rowe | Red Haired, Roe Deer, From the | Meaning & Detail | |
| 668. | Rowland | Renowned in the Land, Famous Wolf | Meaning & Detail | |
| 669. | Ruanaidh | Red Haired, Hero | Meaning & Detail | |
| 670. | Rylan | From the Lands of Rye, Island | Meaning & Detail | |
| 671. | Ryland | Island Meadow, From the Rye Land | Meaning & Detail | |
| 672. | Sam | Lord of God, Lord has Heard, Told | Meaning & Detail | |
| 673. | Samueil | God Heard | Meaning & Detail | |
| 674. | Samuel | Heard by God, Asked of God, Told | Meaning & Detail | |
| 675. | Scolaighe | Herald | Meaning & Detail | |
| 676. | Scully | Bard, Town Crier, Herald | Meaning & Detail | |
| 677. | Seamas | He Supplanted, Substitute | Meaning & Detail | |
| 678. | Seamus | Supplanter, He who Supplants | Meaning & Detail | |
| 679. | Seanlaoch | Old Hero | Meaning & Detail | |
| 680. | Seosap | Yahweh will Add (Another Son) | Meaning & Detail | |
| 681. | Shae | Courteous, Similar to Shea | Meaning & Detail | |
| 682. | Shaeya | A Butterfly Princess, From the | Meaning & Detail | |
| 683. | Shamus | Supplanter, He who Supplants | Meaning & Detail | |
| 684. | Shanahan | Clever, The Wise One | Meaning & Detail | |
| 685. | Shane | The Lord is Gracious, God is | Meaning & Detail | |
| 686. | Shanley | Ancient Warrior, Child of the Old | Meaning & Detail | |
| 687. | Shaughn | The Lord is Gracious, Similar to | Meaning & Detail | |
| 688. | Shaun | God Gave, The Lord is Gracious | Meaning & Detail | |
| 689. | Shaw | From the Shady Grove, A Grove | Meaning & Detail | |
| 690. | Shawn | The Lord is Gracious, American | Meaning & Detail | |
| 691. | Shaye | Courteous, Variant of Shea | Meaning & Detail | |
| 692. | Shaylon | Courteous Variant of Shea | Meaning & Detail | |
| 693. | Shayn | The Lord is Gracious | Meaning & Detail | |
| 694. | Sheelin | Lake of the Fairies, Lake | Meaning & Detail | |
| 695. | Sherod | Wild Man, Clearer of the Land | Meaning & Detail | |
| 696. | Shey | Variant of Shea, Courteous | Meaning & Detail | |
| 697. | Sierra | Black, Saw-toothed | Meaning & Detail | |
| 698. | Simon | Listening Intently, He who has | Meaning & Detail | |
| 699. | Sinann | Spearhead, Sharpened End of a | Meaning & Detail | |
| 700. | Siomon | God is Heard, Obedient | Meaning & Detail | |
| 701. | Siomonn | God is Heard, One who Hears the | Meaning & Detail | |
| 702. | Siomun | God is Heard | Meaning & Detail | |
| 703. | Siridean | Searcher, Peaceful | Meaning & Detail | |
| 704. | Sol | Peaceful, Prayed for, God of the | Meaning & Detail | |
| 705. | Sorley | Viking, Summer Sailor, The Summer | Meaning & Detail | |
| 706. | Sruthair | From the Stream | Meaning & Detail | |
| 707. | Standish | From the Stony Park, Stone | Meaning & Detail | |
| 708. | Stanley | Lives by the Stony Meadow, Rocky | Meaning & Detail | |
| 709. | Struthers | From the Stream, Near the Brook | Meaning & Detail | |
| 710. | Suidhne | Little Hero | Meaning & Detail | |
| 711. | Sulaiman | Peaceful, Name of a Prophet | Meaning & Detail | |
| 712. | Sweeney | Little Hero | Meaning & Detail | |
| 713. | Sweeny | Small / Little Hero | Meaning & Detail | |
| 714. | Tadgh | A Bard, A Poet, Philosopher | Meaning & Detail | |
| 715. | Taggart | Son of the Priest, A Priest | Meaning & Detail | |
| 716. | Taidc | Poet, Philosopher | Meaning & Detail | |
| 717. | Taidhgin | A Poet, Philosopher | Meaning & Detail | |
| 718. | Taigue | A Poet, Philosopher | Meaning & Detail | |
| 719. | Tate | To be Cheerful, Great, Measure of | Meaning & Detail | |
| 720. | Taveon | Hillside, Variant of the Teeve / | Meaning & Detail | |
| 721. | Tavion | Hillside, Eight, Variant of the | Meaning & Detail | |
| 722. | Tavis | Hillside, Twin, Similar to the | Meaning & Detail | |
| 723. | Tavon | Hillside, Nature, Variant of the | Meaning & Detail | |
| 724. | Tawnya | A Green Field, The Warm Sandy | Meaning & Detail | |
| 725. | Teige | Philosopher, A Poet | Meaning & Detail | |
| 726. | Teighe | Philosopher, A Poet | Meaning & Detail | |
| 727. | Teigue | Philosopher, A Poet | Meaning & Detail | |
| 728. | Terence | Soft, Smooth, Old Form of the | Meaning & Detail | |
| 729. | Terry | Powerful Ruler of the People | Meaning & Detail | |
| 730. | Thady | Praise, Desire, Heart, Form of | Meaning & Detail | |
| 731. | Tibbot | Form of Theobald | Meaning & Detail | |
| 732. | Toby | Lord is Good, Goodness of the Lord | Meaning & Detail | |
| 733. | Torean | Watchtower, From the Craggy Hills | Meaning & Detail | |
| 734. | Torence | Variant of Torrence, From the | Meaning & Detail | |
| 735. | Torey | Watch Tower, From the Craggy | Meaning & Detail | |
| 736. | Torn | From the Thorny Tree, Tender | Meaning & Detail | |
| 737. | Torran | Variant of Torrence, From the | Meaning & Detail | |
| 738. | Torrans | From the Knolls | Meaning & Detail | |
| 739. | Torrey | Watch Tower, Lives by the Tower | Meaning & Detail | |
| 740. | Torrian | Watchtower, From the Craggy Hills | Meaning & Detail | |
| 741. | Travis | A Collector of Toll, To Cross the | Meaning & Detail | |
| 742. | Tremain | From the Big Town, From the Stone | Meaning & Detail | |
| 743. | Tristan | Tumult, Sad, Outcry, From the | Meaning & Detail | |
| 744. | Troi | Troy Derives from the Ancient | Meaning & Detail | |
| 745. | Troye | Troy Derives from the Ancient | Meaning & Detail | |
| 746. | Tuathal | Ruler of the People, Peaceful | Meaning & Detail | |
| 747. | Tyfiell | Derivative of the Scandinavian God | Meaning & Detail | |
| 748. | Tyrone | Earth, A County in Northern | Meaning & Detail | |
| 749. | Uailteir | Ruler of the People | Meaning & Detail | |
| 750. | Uaiteir | Ruler of the People | Meaning & Detail | |
| 751. | Ualteir | Ruler of the Army | Meaning & Detail | |
| 752. | Ulick | Will, Desire, Helmet Protection | Meaning & Detail | |
| 753. | Uri | Light, The Lord is My Light, My | Meaning & Detail | |
| 754. | Vincent | The One who Conquered, Prevailing | Meaning & Detail | |
| 755. | Vinnie | Sword Friend, Polished Chief | Meaning & Detail | |
| 756. | Wesley | From the West Woods, The West | Meaning & Detail | |
| 757. | Whelan | Joyful, Son of Foalon, The Wolf | Meaning & Detail | |
| 758. | Whitney | From the White Island, From the | Meaning & Detail | |
| 759. | Wiley | Crafty, From the Wily River | Meaning & Detail | |
| 760. | William | Resolute Protector, Will-helmet | Meaning & Detail | |
| 761. | Yvon | Archer, Yew Tree | Meaning & Detail |
