most popular Irish baby boy names

1400+ Irish Boy Names With Meanings

Parents are so happy that they can not express their happiness when they are in parenthood. Parents plan about the baby name and take a beautiful name for the baby, which is the most important and lovely experience of parenthood. Momion always tries to give a unique and extraordinary resource for mom & dad. If you are looking for a name for your baby which is similar to Irish you are in the right place. Irish people spoke in Goidelic language and according to their tradition, most of the Irish names are in the Goidelic words. But don’t be afraid if you don’t understand Goidelic language, we have listed the names with meanings. We have a list of Irish baby boy names with meanings as well as have a list of Irish girl names too. If you are searching for a boy name from Irish here the list of more then 1400 names:

A to Z List of Irish Names for Boys:

  1. Aaron: It means “High Mountain”
  2. Abbán/Abán: Little abbot
  3. Adam
  4. Adare
  5. Adhamh
  6. Adhamhnan
  7. Adhamhnán: Timorous one
  8. Adhnár/Adnár: It means “Very Modest”
  9. Adomnan/Adomnán: It means “Timorous One”
  10. Adyn
  11. Aed
  12. Aedan: Born of fire
  13. Aedh: It means “Fire”
  14. Aeneas
  15. Aengus: It means “Great strength”
  16. Aghaderg: From the red ford
  17. Ahearn: Ahearn means “Steward”
  18. Aibhstín
  19. Aichear
  20. Aichear/Aicher: Keen
  21. Aidan: Little fire
  22. Aidhleart
  23. Aidrean
  24. Aigleach: Ready
  25. Ailbe/Ailbhe: Bright
  26. Ailbhín
  27. Ailchú: Gentle hound
  28. Ailellán: Sprite
  29. Ailill
  30. Ailillán
  31. Ailin: Handsome
  32. Ailithir: A pilgrim
  33. Ailéin
  34. Aimhirghin
  35. Aimirgin
  36. Ainbheartach
  37. Aindriú
  38. Aindréas
  39. Ainmere/Ainmire: Leader
  40. Ainéislis
  41. Ainéislis: It means “Stanislaus”
  42. Airard: Very tall
  43. Airbertach/ Airbheartach : Ingenious
  44. Airechtach: It means “Having many followers”
  45. Airleas: Pledge
  46. Airthaile: Plenty
  47. Airttíne
  48. Al/Alan/Allen: Handsome
  49. Alabhaois
  50. Alans
  51. Alaois
  52. Alban: It means rock
  53. Albanach
  54. Albert: It means “noble or bright”
  55. Alex
  56. Alexander
  57. Alfie
  58. Allan: It means “Harmony”
  59. Alleyne: Cheerful
  60. Alphonsus: Ready
  61. Alroy: Red head boy
  62. Alsander
  63. Alusdar
  64. Amargein
  65. Amblaoibh: Relic
  66. Ambros: It means “Immortal”
  67. Amon
  68. Anamcha/Anmchaid : Spirited
  69. Andrew
  70. Aneislis
  71. Anfudán: Fiery person
  72. Angus
  73. Anluan: Champion
  74. Anlón: Warrior
  75. Annaduff
  76. Annraoi
  77. Anraí
  78. Antaine: Praiseworthy
  79. Anthony
  80. Antóin
  81. Aodghan: Little fire
  82. Aodh/Aodhan : It means fire
  83. Aodhach
  84. Aodhagán
  85. Aodhal
  86. Aodhan
  87. (Fire)
  88. Aodhfin/Aodhfoinn: It means “White Fire”
  89. Aoi: Learning
  90. Aoidhghean
  91. Aonas
  92. Aonghus
  93. Aongus: One strength
  94. Aralt: Leader
  95. Ardagh
  96. Ardal
  97. Ardan: High inspiration
  98. Ardgar/Artgal: Fierce one
  99. Ardghal
  100. Ardghal: It means “High valour”
  101. Ardkill
  102. Arlen
  103. Arrachtán: Vigorous
  104. Art/Artagán/Arthur/Artucán/Artán: Champion
  105. Artegal: High honour
  106. Arthgallo: Courageous
  107. Artúr
  108. Augaire
  109. Aurchlossach: Reputable
  110. Aurthuile: Plenty
  111. Awnan
  112. Aymon
  113. Aí: Learning
  114. Baccán: It means little man
  115. Baethan: Foolish
  116. Bailintin: It means valiant
  117. Bain
  118. Bain: Fair-haired
  119. Bainbridge
  120. Baird: Bard
  121. Bairn: Child
  122. Bairre/ Bairrfhoinn/ Bairríonn: It means bairre
  123. Bairtliméad (Irish form of Bartholomaeus)
  124. Baiste: Holy
  125. Banan: It means “White”
  126. Banbhan: A piglet
  127. Banning
  128. Bannon
  129. Baoithín/Baoth: wreckless
  130. Bard: A poet
  131. Bardo
  132. Bardon
  133. Bardán
  134. Baris
  135. Barr: point
  136. Barra
  137. Barram: Handsome
  138. Barree
  139. Barrey
  140. Barry: Saint Barry
  141. Bayne
  142. Baz
  143. Bazz
  144. Beagan
  145. Beagan: Little one
  146. Beagen
  147. Beagin
  148. Beanón: Benign
  149. Bearach
  150. Bearach: Sharp
  151. Bearnárd
  152. Beartlaidh
  153. Beattie: Provider
  154. Becan: Little one
  155. Beckett
  156. Beegan
  157. Beegan
  158. Beegin
  159. Behan: It means “Bee”
  160. Behellagh
  161. Beircheart: Shining army
  162. Beirgin: It means “Soldier”
  163. Ben
  164. Benen: Kind
  165. Benjamin
  166. Beoaodh
  167. Beolagh: Foolishly brave
  168. Berach: It means “Sharp”
  169. Bercnan
  170. Bhalronta
  171. Billy
  172. Blaine
  173. Blaine: Thin
  174. Blair: It means “From the plain”
  175. Blar: It means “From the fields”
  176. Blathma
  177. Blian: It means thin
  178. Blámhac: Famous
  179. Bobby
  180. Boetius
  181. Bohannon: It means “Son of Owen”
  182. Boine: White cow
  183. Boyde
  184. Boyn
  185. Boyne
  186. Bradach
  187. Bradaigh: Spirited
  188. Bradden
  189. Braddon
  190. Braden
  191. Bradey
  192. Brady
  193. Brady
  194. Braeden
  195. Braedy
  196. Braiain
  197. Braidie
  198. Brain
  199. Bran: Raven
  200. Branacán: Brannigan
  201. Brandan: It means “Sword”
  202. Brandon: Brave
  203. Brandub
  204. Brann/Brannagh: Raven
  205. Branna
  206. Brannen
  207. Brannon
  208. Braná
  209. Braoin: Sadness
  210. Braydan
  211. Brayden
  212. Braydie
  213. Braydon
  214. Brazil
  215. Brea: Hill
  216. Breac: Freckled
  217. Breacán: Little freckled one
  218. Breandan
  219. Breas: Beautiful
  220. Breasal/Bresal/ Bressal: It means “A war”
  221. Breatnach
  222. Breck: Freckled
  223. Breed
  224. Brenan
  225. Brendan
  226. Brendano
  227. Brenden
  228. Brendin
  229. Brendon
  230. Brennan: Little raven
  231. Brennen
  232. Brennin
  233. Brennon
  234. Briain/Brian: Noble
  235. Brian
  236. Brian
  237. Briano
  238. Briant
  239. Briartach: Skilled seaman
  240. Bricín
  241. Brien
  242. Brin
  243. Brion
  244. Brodee
  245. Broden
  246. Broderic
  247. Brodey
  248. Brodie: A ditch
  249. Brody
  250. Brogan
  251. Broggan
  252. Brosedy
  253. Bruadar
  254. Brugach
  255. Bryden
  256. Brye
  257. Bryen
  258. Bryent
  259. Bryon
  260. Bréanain: A prince
  261. Bríon: Noble
  262. Buach/ Buadh/ Buadhach/ Buagh: Victorious
  263. Buan: Enduring
  264. Buchanan
  265. Buckley: A boy
  266. Burne: From the brook
  267. Burnell: Strong as a bear
  268. Béoán
  269. Búadach: Victorious
  270. Cace
  271. Cadán/ Cadell: Little battle
  272. Cadhla
  273. Cagney
  274. Cahan
  275. Cale
  276. Calhoun
  277. Callahan
  278. Callhoun
  279. Callum
  280. Calum
  281. Cameron
  282. Canaday
  283. Canady
  284. Caoimhín
  285. Carlow
  286. Carlowe
  287. Carnahan
  288. Carney
  289. Carny
  290. Carollan
  291. Carrick
  292. Case
  293. Cassidy
  294. Cathal
  295. Cathasaigh
  296. Cattlin
  297. Cavan
  298. Charlie
  299. Christopher
  300. Cian
  301. Ciaran: Saint Ciaran
  302. Cillian
  303. Clancey
  304. Clancy
  305. Claney
  306. Cleary
  307. Cluny
  308. Coby
  309. Cochran
  310. Codell
  311. Colhoun
  312. Colin
  313. Collins
  314. Collumbano
  315. Colm
  316. Colman
  317. Colombain
  318. Colquhoun
  319. Columbano
  320. Columbanus
  321. Columcille
  322. Comhghall
  323. Conan
  324. Conchobhar
  325. Conlan
  326. Conlen
  327. Conlin
  328. Conlon
  329. Conn
  330. Connell
  331. Conner
  332. Connlyn
  333. Connor
  334. Conor
  335. Conroy
  336. Conyngham
  337. Conán
  338. Corcoran
  339. Cork
  340. Cormac
  341. Cormack
  342. Corrick
  343. Corridon
  344. Cosgrave
  345. Cowal
  346. Cowan
  347. Coyle
  348. Craig
  349. Cronan
  350. Cullan
  351. Cullen
  352. Culley
  353. Cullin
  354. Cullinan
  355. Cully
  356. Cunningham
  357. Cunninghame
  358. Curragh
  359. Curran
  360. Currey
  361. Currie
  362. Curry
  363. Cáel
  364. Dagen
  365. Dahey
  366. Dahy
  367. Dailey
  368. Daily
  369. Daire
  370. Dalan
  371. Daley
  372. Dallan
  373. Dallen
  374. Dallon
  375. Dalon
  376. Dalvwin
  377. Dalwyn
  378. Daniel
  379. Danny
  380. Dara
  381. Darach
  382. Daragh
  383. Daren
  384. Dargan
  385. Darragh
  386. Darran
  387. Darren
  388. Darrin
  389. Darring
  390. Darroch
  391. Darrock
  392. Darron
  393. Darryn
  394. Darsy
  395. David
  396. Dawayne
  397. Dawley
  398. Deaglan
  399. Dean
  400. Declan
  401. Deegan
  402. Delavan
  403. Dellwin
  404. Delvin
  405. Delvon
  406. Delwin
  407. Delwynn
  408. Dempsey
  409. Dempsy
  410. Denis
  411. Dermot
  412. Dermott
  413. Derrie
  414. Desmond
  415. Desmund
  416. Devine
  417. Devinn
  418. Devland
  419. Devlen
  420. Devlin
  421. Devlon
  422. Devlyn
  423. Devyn
  424. Dewain
  425. Dewayne
  426. Dezmond
  427. Diarmaid
  428. Diarmait
  429. Diarmi
  430. Diarmid
  431. Diarmuid
  432. Diarmuld
  433. Dilan
  434. Dillen
  435. Dillon
  436. Dillon: Hope
  437. Dilon
  438. Docherty
  439. Doherty
  440. Dolan
  441. Donagh
  442. Donahoe
  443. Donahue
  444. Donal
  445. Donavan
  446. Donavon
  447. Donevin
  448. Donevon
  449. Donnacha
  450. Donncha
  451. Donnchadh
  452. Donohoe
  453. Donohue
  454. Donovan
  455. Donoven
  456. Donovon
  457. Doogan
  458. Dooley
  459. Dorrance
  460. Dorrel
  461. Dorrell
  462. Dorren
  463. Dorrin
  464. Dougan
  465. Douggan
  466. Dougherty
  467. Douherty
  468. Dow
  469. Dowe
  470. Dowson
  471. Doyle
  472. Duald
  473. Duante
  474. Duayne
  475. Dubhan
  476. Dugan
  477. Duggan
  478. Duwain
  479. Duwaine
  480. Duwayne
  481. Dwain
  482. Dwaine
  483. Dwane
  484. Dwayne
  485. Dwire
  486. Dwyer
  487. Dylan
  488. Dáire
  489. Dáithí
  490. Eagan
  491. Eagen
  492. Eaman
  493. Eames
  494. Eamon
  495. Eamonn
  496. Eanna
  497. Edward
  498. Egan
  499. Egann
  500. Eiltíne
  501. Emmanuel
  502. Emmet
  503. Emmett
  504. Emmons
  505. Eoghan: Well born
  506. Eoin
  507. Eri
  508. Eric
  509. Ethan
  510. Evan
  511. Ewen
  512. Fabio
  513. Fachtna
  514. Fagan
  515. Fagin
  516. Faolan
  517. Farrel
  518. Farrell
  519. Farrill
  520. Farrish
  521. Farryll
  522. Favio
  523. Fearghal
  524. Fearghall
  525. Fegan
  526. Feggan
  527. Feidhlim
  528. Felan
  529. Felim
  530. Fergall
  531. Ferrel
  532. Ferrell
  533. Ferrill
  534. Ferrin
  535. Ferris
  536. Ferriss
  537. Ferryl
  538. Fiachra
  539. Fiacre
  540. Filip
  541. Fin
  542. Finan
  543. Finbar
  544. Findlay
  545. Findley
  546. Finegan
  547. Fingal
  548. Fingall
  549. Finian
  550. Finlay
  551. Finlea
  552. Finlee
  553. Finley
  554. Finn
  555. Finnbar
  556. Finnbarr
  557. Finnbarr: It means “Barry”
  558. Finnegan
  559. Finnian
  560. Finnlea
  561. Finnley
  562. Fintan
  563. Fionan
  564. Fionn
  565. Fionnbharr
  566. Flainn
  567. Flann
  568. Flannan
  569. Flin
  570. Flinn
  571. Flyn
  572. Flynn
  573. Forgael
  574. Fursey
  575. Fíngin
  576. Gaell
  577. Gaelle
  578. Gaer
  579. Gaille
  580. Gaine
  581. Gainer
  582. Gainor
  583. Gair
  584. Galbrait
  585. Galbraith
  586. Galbreath
  587. Gall
  588. Gallagher
  589. Gallbraith
  590. Gallbreath
  591. Gallchobar
  592. Gallven
  593. Gallvin
  594. Galvan
  595. Galven
  596. Galvin
  597. Galvon
  598. Galway
  599. Gannon
  600. Garan
  601. Garen
  602. Garin
  603. Garion
  604. Garon
  605. Garran
  606. Garren
  607. Garrin
  608. Garron
  609. Garrvey
  610. Garrvie
  611. Garve
  612. Garvey
  613. Garvie
  614. Garvy
  615. Gary
  616. Gavin
  617. Gaynnor
  618. Geir
  619. George
  620. Gerard
  621. Geron
  622. Ghillie
  623. Gilchrist
  624. Gilderoy
  625. Gildray
  626. Gildroy
  627. Gilean
  628. Gillaspie
  629. Gillchrist
  630. Gillean
  631. Gillen
  632. Gilleon
  633. Gillespie
  634. Gilley
  635. Gillion
  636. Gillmore
  637. Gillmour
  638. Gillon
  639. Gillray
  640. Gillroy
  641. Gillucan
  642. Gilman
  643. Gilmore
  644. Gilmour
  645. Gilray
  646. Gilroy
  647. Girvan
  648. Girven
  649. Girvin
  650. Girvon
  651. Gleann
  652. Glen
  653. Glendale
  654. Glendyn
  655. Glennard
  656. Glennon
  657. Glenny
  658. Glinn
  659. Gorman
  660. Gradea
  661. Gradee
  662. Graden
  663. Gradey
  664. Gradon
  665. Grady
  666. Graidey
  667. Graidy
  668. Guthree
  669. Guthrey
  670. Guthrie
  671. Guthry
  672. Hagen
  673. Haggan
  674. Harkan
  675. Harken
  676. Harkin
  677. Harry
  678. Henry
  679. Hewney
  680. Hogan
  681. Houston
  682. Hugh
  683. Hugo
  684. Hurlee
  685. Hurleigh
  686. Hurley
  687. Hurly
  688. Huston
  689. Hutcheson
  690. Hutchinson
  691. Ian
  692. Iarlaith
  693. Iarlugh
  694. Illann
  695. Iobhar: Spear hard
  696. Iollan
  697. Ion
  698. Ionatán
  699. Irish
  700. Irél
  701. Isaac
  702. Ivar
  703. Ivor
  704. Iárad
  705. Iósua
  706. Jack
  707. Jacob
  708. Jake
  709. Jakub
  710. James
  711. Jamie: Supplanter
  712. Jarlaith
  713. Jarlath: It means “Prince”
  714. Jarleath
  715. Jarmy: Charioteer
  716. Jason
  717. Jayden
  718. John
  719. Jonathan
  720. Jordan
  721. Joseph
  722. Josh
  723. Joshua
  724. Justin: It means “Judicious”
  725. Kacper
  726. Kael/ Kaelen: Mighty Warrior
  727. Kaelin: Rejoicer
  728. Kagan
  729. Kahan
  730. Kahane
  731. Kai
  732. Kaiden: Warrior
  733. Kain/ Kane/Kayne/Kean: Warlike
  734. Kaine
  735. Karl
  736. Kasey
  737. Kasey: Vigilant
  738. Kathel: It means “A battle ruler”
  739. Kattlin
  740. Kavan
  741. Kayden
  742. Kayven
  743. Keagan
  744. Keagen
  745. Kealan
  746. Keallan
  747. Keallin
  748. Keane: Ancient
  749. Kearie
  750. Kearn
  751. Kearne
  752. Kearney
  753. Kearns
  754. Keary
  755. Keefe: It means “Handsome”
  756. Keeffe
  757. Keegan: Determined
  758. Keeghan
  759. Keeley: It means “Beautiful”
  760. Keelin: Slender
  761. Keen
  762. Keenan
  763. Keene
  764. Keenen
  765. Keenon
  766. Keeran: It means “Dark”
  767. Kegan
  768. Keillan
  769. Keiran
  770. Keiron
  771. Keith
  772. Keith
  773. Kelan: Slender
  774. Kellach: It means “Strife”
  775. Kellagh
  776. Keller: Little companion
  777. Kelly: It means “Warrior”
  778. Kelton: A Town Of Celts
  779. Kelvan: River Man
  780. Ken/ Kenneth/Kenny: Handsome
  781. Kennady
  782. Kennan
  783. Kennedey
  784. Kennedy: It means “Royal”
  785. Kennet
  786. Kennett
  787. Kennith
  788. Kennon
  789. Kenrich: Royal Ruler
  790. Kenyon: White-haired
  791. Keon
  792. Kermit: Free man
  793. Kern: Little dark one
  794. Kernaghan
  795. Kernan
  796. Kernohan
  797. Kerrin/ Kieran/ Kerry: It means “Dark”
  798. Kervin
  799. Kervyn
  800. Kerwin
  801. Kerwinn
  802. Kerwyn
  803. Kevan
  804. Kevan: Beautiful Child
  805. Keven
  806. Keveon
  807. Kevin
  808. Kevin
  809. Kevinn
  810. Kevion
  811. Kevis
  812. Kevon
  813. Kevron
  814. Kian
  815. Kiefer: Beloved
  816. Kienan
  817. Kienen
  818. Kiernan
  819. Kieron: Black
  820. Kierren
  821. Kierrin
  822. Kierron
  823. Kilean
  824. Kilian: Church
  825. Killean
  826. Killian
  827. Kinnaird
  828. Kinnard
  829. Kinnard
  830. Kinnell
  831. Kirwan
  832. Kirwen
  833. Konan/ Kynan : Wise
  834. Korcoran
  835. Kyle
  836. Kyllion
  837. Labhcas: Light
  838. Labhraidh: It means speaker
  839. Labhrás
  840. Labraid: It means “Speaker”
  841. Labrás
  842. Lachlan
  843. Lachtin/ Lachtna/Lachtna: It means “Milk coloured”
  844. Laird: Head of household
  845. Lairgnen
  846. Laisréan: Flame
  847. Lakyle: It means “Half wood”
  848. Lalor: Leper
  849. Lany: Servant
  850. Laoghaire: Shepard
  851. Laoidheach: Poetical
  852. Laoidhigh: Poetic
  853. Laoire: Calf-herd
  854. Laoiseach: It means “Man of Laois”
  855. Laris
  856. Larkin
  857. Laughlin
  858. Lawler
  859. Lawlor: Soft-spoken one
  860. Lawton: Milk coloured
  861. Laígsech
  862. Leachlainn
  863. Leaitheanach
  864. Leannán: It means “Sweetheart”
  865. Leary
  866. Leaschulainn
  867. Leaslaoi
  868. Leathlobhair: Leper
  869. Lee: It means “Poetic”
  870. Leenock: A Leinsterman
  871. Leith: It means wide
  872. Lennon: A little cloak
  873. Lennan
  874. Leo
  875. Leocháin
  876. Leon
  877. Lesley: Grey fortress
  878. León
  879. Liadhnan
  880. Liadán
  881. Liam
  882. Lionard
  883. Lir: A mythical king
  884. Llewelyn: It means “Ruler”
  885. Llyr: It means “A mythical king”
  886. Lochlain: Viking
  887. Lochlainn
  888. Lachlan
  889. Lochlan
  890. Logan
  891. Logan: Small cove
  892. Loinnir: Radiance
  893. Lollar
  894. Loller
  895. Loman
  896. Loman: Enlightened
  897. Lonn
  898. Lonán: Little blackbird
  899. Lorcan
  900. Lorccán
  901. Lorne
  902. Loughlin: It means “Servant”
  903. Luca
  904. Lucas
  905. Lug: Irish God
  906. Lugaidh: Famous warrior
  907. Lugan
  908. Lugh
  909. Luigsech
  910. Luke
  911. Lun/ Lunn: Strong
  912. Luxovious
  913. Luíseach
  914. Lyall: Loyal
  915. Lyam
  916. Lysagh
  917. Lóegaire
  918. Lúcás
  919. MacCoinnigh
  920. MacCowan
  921. MacCowen
  922. MacCrae
  923. MacCray
  924. MacCrea
  925. MacGee
  926. MacGhee
  927. MacGuire
  928. MacSéamais
  929. Macbride
  930. Macbryde
  931. Maccoy
  932. Macfarlane
  933. Macgowan
  934. Mackensie
  935. Macmahon
  936. Macmurray
  937. Macrae
  938. Madison
  939. Madóc
  940. Maeleachlainn
  941. Magee
  942. Mago: Great
  943. Magowan
  944. Maguire
  945. Mahon: A bear
  946. Mahoney
  947. Mainchin: Little monk
  948. Maine: It means “Many:
  949. Mairtín: War like
  950. Maitiu
  951. Malachi
  952. Malachy
  953. Malcolm
  954. Manchain: Monk
  955. Mane: Great
  956. Mannix
  957. Mannus/ Manus: Great one
  958. Maodhog
  959. Maol Mhórdha
  960. Maolcholaim
  961. Maolán: It means “Great warrior)”
  962. Maonaigh: Wealthy
  963. Marcas
  964. Marcus
  965. Marcán
  966. Mark
  967. Marmaduke
  968. Martin
  969. Mason
  970. Mathghamhain/ Mathúin: Bear
  971. Matthew
  972. Max
  973. Mayo
  974. McBride
  975. McGee
  976. McGowan
  977. McGown
  978. McGuire
  979. McGwire
  980. McMahon
  981. McMurray
  982. Mccrea
  983. Mckensie
  984. Meallán/ Mellan: Lightning
  985. Meiscill
  986. Meldan
  987. Mellen
  988. Mellin
  989. Mellon
  990. Melvin
  991. Melvyn
  992. Merric/ Mervin: Loves the sea
  993. Miach: Medic
  994. Michael
  995. Mike
  996. Miles: Servant
  997. Mochta: Great
  998. Molaisse: It means “fire”
  999. Molan
  1000. Monahan
  1001. Moriarty: Sea warrior
  1002. Morrissey: Choice of the sea
  1003. Mortimer:Dead sea
  1004. Muadhan: Good
  1005. Muircheartach: Mariner
  1006. Muirchertach: Mortimer
  1007. Muireadhach: Master
  1008. Muiris: Dark skinned
  1009. Muirín: Born of the sea
  1010. Mukonry: Hound of prosperity
  1011. Mulcahy: Battle chief
  1012. Munchin
  1013. Murchadh: It means “Sea warrior”
  1014. Murfee
  1015. Murfey
  1016. Murfie
  1017. Murphee
  1018. Murphey
  1019. Murphie
  1020. Murphy: Warrior of the sea
  1021. Murray: Lord of the sea
  1022. Murrough: Sea warrior
  1023. Murtagh: It means “Mariner”
  1024. Myles: Servant
  1025. Máelechlainn
  1026. Máenach
  1027. Méasaí
  1028. Mícheál: Who is like God
  1029. Naoise
  1030. Nathan
  1031. Neachtan
  1032. Neal/ Neale/ Neil/ Neill: Champion
  1033. Neall
  1034. Nealle
  1035. Nealon
  1036. Neilan
  1037. Neils
  1038. Neilson
  1039. Nevan
  1040. Nevin
  1041. Nial
  1042. Nicolás
  1043. Niel
  1044. Nigellus
  1045. Niguel
  1046. Nijel
  1047. Nile
  1048. Niles
  1049. Njal
  1050. Noah
  1051. Nolan: It means “Famous:
  1052. Nollaig
  1053. Nolyn
  1054. Nygel
  1055. Nóe
  1056. O’Brien
  1057. O’Keefe
  1058. O’Shay
  1059. O’Shea
  1060. Ockan
  1061. Ockey
  1062. Odanadan
  1063. Odhran
  1064. Odhran/ Odran: Sallow
  1065. Odhrán
  1066. Odran
  1067. Oenghus: Excellent Strength
  1068. Oilibhear: Heir To His Ancestors
  1069. Oilithir: Pilgrim
  1070. Oilleóg/ Oillil/ Oillill: Elf
  1071. Oisin: A legendary figure
  1072. Oistín
  1073. Oisín: Little Deer
  1074. Olan: Royal Forefather
  1075. Olchobhar: Lover Of Drink
  1076. Olcán: Wolf
  1077. Oliver
  1078. Ollie
  1079. Onan:Wealthy
  1080. Onchú: Fierce Hound
  1081. Oneal
  1082. Oran
  1083. Oren
  1084. Orenthal
  1085. Orin: Dark Haired
  1086. Orran
  1087. Orran: Pale-Skinned
  1088. Orren
  1089. Orthanach: Potent In Prayers
  1090. Oscar
  1091. Osgar/ Oskar/ Ossian: Deer Lover
  1092. Osheen: Young Deer
  1093. Osán: Little Deer
  1094. Owen
  1095. Owney
  1096. Paddy
  1097. Paddy: Nobleman
  1098. Padraig: Noble
  1099. Padriac:Nobleman
  1100. Parthalan
  1101. Parthalán
  1102. Pat: Nobleman
  1103. Pathalan
  1104. Patrick
  1105. Patryk
  1106. Paul
  1107. Peadar
  1108. Peatáin
  1109. Peter
  1110. Phelan: Brave
  1111. Phelim
  1112. Philip
  1113. Phinean
  1114. Phinian
  1115. Pierce
  1116. Pilib
  1117. Pol: Small
  1118. Preastún
  1119. Proinséas
  1120. Páidín
  1121. Quaid
  1122. Quigley
  1123. Quillan
  1124. Quillen
  1125. Quindlen
  1126. Quinlan
  1127. Quinlan: It means “Athletic”
  1128. Quinn: Wise
  1129. Quinnell
  1130. Radhulbh: Wolf Counsellor
  1131. Radmund: Protector
  1132. Raferty: Prosperity wielder
  1133. Ragahallach: Valiant
  1134. Ragallach
  1135. Raghallaigh
  1136. Raghnall : Wise
  1137. Ragnall
  1138. Ragnvald: Powerful Judgement
  1139. Raighne: Mighty
  1140. Randal: Shield rim
  1141. Rannal: Mighty
  1142. Raymond/ Reamonn: Decision protector
  1143. Raymun/ Reamann: Wise protector
  1144. Reagan
  1145. Reardan: Minstrel
  1146. Rearden: Poet
  1147. Rechtabrat: Straight browed
  1148. Redmond
  1149. Reece
  1150. Reegan: Heir
  1151. Reel
  1152. Regan: Descendant of a king
  1153. Regen/ Rhyne/ Riagan: It means “Little king”
  1154. Regin: Rule
  1155. Reginald
  1156. Reidhachadh
  1157. Reilley: Form of Ryley
  1158. Reilly: Descendant of a king
  1159. Renny: Small but powerful
  1160. Revelin
  1161. Reynald
  1162. Reynolds
  1163. Rhory
  1164. Rhys
  1165. Riagain: Furious
  1166. Riaghail
  1167. Rian
  1168. Ricard/ Richardd: Powerful leader
  1169. Richard
  1170. Riddoc
  1171. Rigbardann/ Rioghbhardan: Royal poet
  1172. Rigr: King
  1173. Riley: Valiant
  1174. Riobart: It means “Bright fame”
  1175. Riobárd: Royal bard
  1176. Riocaird: Powerful ruler
  1177. Rioghan: Great queen
  1178. Rion: Kingly
  1179. Riordain: It means “Bright”
  1180. Riordan
  1181. Risteaird: Strong power
  1182. Risteard
  1183. Roan
  1184. Roane
  1185. Roark/ Roarke: Illustrious and mighty
  1186. Robartach: Impetuous
  1187. Robert
  1188. Robin (Bright, Fame)
  1189. Rocatos/ Rocats/Rocatti/Rocatus/Rochadh: Battle
  1190. Rodan: Fertility
  1191. Roderick: Glory
  1192. Rodger: Famous spearman
  1193. Rodhlann: Famous land
  1194. Rogan
  1195. Roger: Famous with the spear
  1196. Rohan: Red
  1197. Roi
  1198. Roibart: Bright fame
  1199. Roibeard: Robin
  1200. Roibhilin
  1201. Roibin
  1202. Roland: Renowned land
  1203. Ron: Ruler’s counselor
  1204. Ronain/ Ronan/ Ronit: Little seal
  1205. Ronat: It means “Seal”
  1206. Rooghan/ Rooney/ Ruadan/ Ruadhagan: Red-haired
  1207. Roone
  1208. Rorey
  1209. Rorik
  1210. Rorke: Famous ruler
  1211. Rorric
  1212. Rorry
  1213. Rory
  1214. Roslea: Grey woods
  1215. Ross
  1216. Rossin: It means “Little woods”
  1217. Rourke
  1218. Rourke
  1219. Rowan
  1220. Rowen
  1221. Rowland: Famous land
  1222. Rowney
  1223. Rownun
  1224. Rowyn
  1225. Roy
  1226. Royer
  1227. Ruadhan: King
  1228. Ruaidhri: Divinity
  1229. Ruaidhrigh: Fame ruler
  1230. Ruaidre/ Ruairi: King
  1231. Ruairc:L Famous king
  1232. Ruairí
  1233. Ruanaidh
  1234. Russell
  1235. Ruy
  1236. Ryan
  1237. Ryan
  1238. Ryley: Valiant
  1239. Ránall
  1240. Ríonach
  1241. Ríordán
  1242. Rónán
  1243. Rós
  1244. Rúadhán
  1245. Saebhreathach: Noble Judge
  1246. Sagranas: Ruler
  1247. Saichairí
  1248. Saliciduni: Willow Town
  1249. Sam’
  1250. Sameer: Ewind Breeze
  1251. Samueil: It means “God Heard”
  1252. Samuel
  1253. Sanctan: A Saint
  1254. Saoirbhreathach
  1255. Saoirse: Freedom
  1256. Saorbhreathach: Noble Of Judgement
  1257. Scandlain: It means “Quarrel”
  1258. Scanlan
  1259. Scanlen
  1260. Scanlon
  1261. Sciath: Bloodred
  1262. Scoithin: Blossom
  1263. Scolaidh: Scholar
  1264. Scolaighe: Herald
  1265. Scot
  1266. Scott
  1267. Scully
  1268. Seabhac
  1269. Seachnall: Second
  1270. Seadna: Traveller
  1271. Seafra: Peace From God
  1272. Seaghan: A Hawk
  1273. Seaghda: It means “Majestic
  1274. Sealbéath
  1275. Seamus
  1276. Seamus: James
  1277. Sean
  1278. Sean-Carlo
  1279. Sean-Mark
  1280. Sean-Patrick
  1281. Seanach/ Seanan: Old
  1282. Seanachan: Wise One
  1283. Searbhreathach: Judicious
  1284. Searc: It means blackbird
  1285. Searlas: Manly
  1286. Seathrun
  1287. Sebastian
  1288. Sechnassach
  1289. Senan
  1290. Seoirse
  1291. Seosamh
  1292. Setanta
  1293. Seumas
  1294. Seumus
  1295. Seán
  1296. Seónas
  1297. Shamus
  1298. Shanahan
  1299. Shanahan: Wise
  1300. Shane
  1301. Shanley
  1302. Shannley
  1303. Shannon: It means “River in Ireland”
  1304. Shaughan: God is gracious
  1305. Shaughn
  1306. Shaun
  1307. Shane
  1308. Shaundre
  1309. Shawn
  1310. Shawnel
  1311. Shawnell
  1312. Shawnn
  1313. Shay: Stately
  1314. Shayn
  1315. Shea
  1316. Sheehan: Peaceful
  1317. Sheredan
  1318. Sheridan: Wild one
  1319. Shonn
  1320. Simon
  1321. Sionnach
  1322. Siúirtán
  1323. Skelly: Storyteller
  1324. Slavin
  1325. Slawin
  1326. Sleven
  1327. Slevin: Mountain climber
  1328. Sloan: Warrior
  1329. Sluáin
  1330. Somerled
  1331. Somerley
  1332. Somhairle
  1333. Sorley
  1334. Spealáin
  1335. Stephen
  1336. Steven
  1337. Stiofan: Stephen
  1338. Strachan
  1339. Strahan
  1340. Struther
  1341. Struthers
  1342. Stíobhard
  1343. Sullivan: Blackeyed one
  1344. Sweeney: Little hero
  1345. Sweeny
  1346. Szymon
  1347. Séa
  1348. Séamus James
  1349. Séanmhar
  1350. Séasán
  1351. Séat
  1352. Síle
  1353. Síomón
  1354. Taber: Well
  1355. Tabor
  1356. Tadc
  1357. Tadg/Tadgh: Poet
  1358. Tadhg
  1359. Tadleigh
  1360. Taggart
  1361. Taicligh: Peaceful
  1362. Tait
  1363. Tanaide: Subtle
  1364. Tavis
  1365. Tavish
  1366. Teague
  1367. Teague: Poet
  1368. Tearnan/ Tiarnach/ Tiarnan: Lord
  1369. Teger
  1370. Teigan
  1371. Teige
  1372. Teigen
  1373. Terrence: Tender
  1374. Tevis
  1375. Thiarnáin
  1376. Thomas
  1377. Thurl
  1378. Thurle
  1379. Tiarnan
  1380. Tiarney
  1381. Tiarnán
  1382. Tibbot
  1383. Tienan
  1384. Tighe
  1385. Toirdhealbhach
  1386. Tom
  1387. Tomaltach
  1388. Tomas
  1389. Tommy
  1390. Tomás: Twin
  1391. Torence
  1392. Torin: Chief
  1393. Tormaigh: Thunder spirit
  1394. Torrance
  1395. Torrence
  1396. Torrens
  1397. Torrin
  1398. Tracy/ Treacy: Fighter
  1399. Traolach: Abettor
  1400. Trasnáil
  1401. Treabhair
  1402. Tristan
  1403. Troighthach
  1404. Trostán
  1405. Troy
  1406. Troye
  1407. Tuathal
  1408. Tuile
  1409. Tulley
  1410. Tullie
  1411. Tullis
  1412. Turlach: Assits
  1413. Tyler
  1414. Tynan
  1415. Tynell
  1416. Tynen
  1417. Tynin
  1418. Tynnen
  1419. Tynnin
  1420. Tynon
  1421. Tyrone
  1422. Táilliúr
  1423. Tárlach
  1424. Téodóir
  1425. Uaid
  1426. Uailteir: Ruler of the people
  1427. Uaine: Well born
  1428. Uaithne: Green
  1429. Uallach/ Uallachan: It means “Proud
  1430. Ualtar: Strong fighter
  1431. Ualteir: Army ruler
  1432. Uar: The cruel
  1433. Ughaire
  1434. Uileac
  1435. Uileag :
  1436. Uileog
  1437. Uileos
  1438. Uilis
  1439. Uilliam
  1440. Uinsean
  1441. Uinseann: Victorious
  1442. Uisteann: Intelligent
  1443. Ulick
  1444. Ulster: Wolf
  1445. Ultan
  1446. Ungus: One vigor
  1447. Unkoo: Fierce hound
  1448. Uri
  1449. Usheen: Little deer
  1450. Ward: Bard
  1451. Whealan: It means “Joyful”
  1452. William
  1453. Zach
  1454. Zorán