Irish Surnames: A to Z

This list can by no means be considered comprehensive. Those surnames with an asterisk are listed in ‘The Surnames of Ireland’ Edward MacLysaght, sixth edition (1997), published by the Irish Academic Press, ISBN 0-7165-2364-7. I have not used this book in the creation of this list, however consulting this book will give you some idea of where the surname or it’s variations may possibly be found in Ireland.

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ABCDEFGHIJKL
Abberton*Baanan/BananCabaneDabzacEachusFadeGaaHabbertIdleJack*KadwellLaFarelle
Abbitt/AbbottBabcockCabe*DackEacretFagan*GabbellHaberlin*/HaveringIessonJackman*Kahoe/Keaghoe/Keogh*/Keheo/Keho/Kehoe/Keohe/Keohoe/Keough/Keugho/KihoLaFefere
AberdeenBabe*Cadagin/Cadogan*Dacon/DakinEadesFaggGabbettHacket/Hackett*Ievers*/Ivers*Jackson*/JeiksonKain*/Kane*LaGrange
Abernethy*BabingtonCadan/CaddanDacres/DeakersEadie*FaghnanGaff*/McGaghHaddock*/Haydock*IllingworthJacob*Kane*/Kain*LaHeace
AbestonBableCaddell*/CaddleDacyEagan/Egan*Fahy*/Faghy*Gaffeney/Gaffny/Gafney/GafnyHadleyIlweanJacobn/JacobsonKanningLaPier
Able/ArahamBachelorCaddow/Cadow*/Caddo*DaffronEagar*/EagerFair*/Phair*/FaireGaffyHadlockImbrieJames*Kannon/KanonLaPrelle/Laprelle
Abraham*BachramCadliganDagg*/DaggeEagleFairbrother/FarbrotherGageHadskisImpsonJameson*/Jamieson/Jamison/Jemeson/JemisonKarney/KerneyLaTouche
AcclingBackleyCaffeeDaily/Daley/Dally/Daly*/Dawley*/DalylyEalansFaircloth/ffaircloathGaghranHaffield/Holfield/Hatfield?InceInch*JamottKarr/Kerr*Laban
Acheson*Bacon*Caffray/Caffrey*/CaffryDakerEames*FairfieldGahan*/Gahen/Gahon*/GehanHagan*/HagenIndledeneJannillionKathrensLabarte
Achmooty*/Aughmuty*/Aghmuty/Ahmuty/AuchmutyBadcockCafsin(?)Dale*EamondFairserviceGailbraith/Galbally/GalbraithHagerty/Haggarty/HeagertyIngham/IngramJarvis*/Jervois*KattenhornLabatt
Aclan/Echlin*BaddalyCahal/Cahil/Cahill*/CailDallas*Earl/Earle*/Earls*Falconer*/Falkiner*/FalkenerGainsfordHaggerstonInglishJeffares/Jeffers*/Jeffares*Kavana/Kavanagh*/Kavanah/Kavannagh/Kavenagh/Kavinagh/Kavnigh/Kavanaugh/KavanauhLabilliere
Acres/AkersBadgeCahalane*DallwayEarly*Falkiner*/Falconer*GaleHague*/Haig*InmamJeffcot/JeffcottKavarenLace/Lacey/Lacy*/Lasey/Leacey/Leacy*/Lacy*/Leasey/Leecy
Acton*BadhamCahan*DalonEarsFallan/Phelan/FallonGalibyHahessy*Innes*/Ennis/MacGuinness*/InnisJefferyKay*/Kayes/KaysLackey/Lacky
AdainsBaeCaharnDalrympleEarson/Eason*Fallon/Falloon/FallanGalivan/Gallavan/Gallavin/Gallivan/GalvinHail/HaleInnottJeffes/JeffsKeaff/Keef/Keefe/Keeff/KefeLackland
Adair*/AdaireBaggotCahauDalton*/Daultin/Daulton/DoltonEarton/Eaton*Falvey*Gallaghar/GallaherHainenIrelandJekylleKeagan/Keegan*/Keegn/Kegan/Keighan*/KiganLadeveze
Adam*/Adams*/Addams/Adoms/Aickin*BagisCaherty*/Caugherty*DaltryEastwood*FamellGallandHalahan/Houlaghan/Houlahan/HoulihanIretonJellettKealagher/KealigherLadley
Adams*/Aidy*/Eadie*/Addams/AdomsBagley*CahierDalwayEavesFanagan/Fenigan/Finegan/Finigan/Finnegan*/Finegan*Galligan*Haldan*Iron/Irons*/Kenirons*JellicoKealahan/KealinLafan/Laffan*/Laffen/Laffin
AdamsonBagnall*/Bagnel/Bagnell/Bagnal/BagenalCain/Caine/KaneDalyellEayres/Ayres*/Eyres/Eyre*/Ayre*Fannan/Fannen/Fanning*/Fannin*/FannonGallimoreHalfordIrvine*/Ervine*/IrwineJelly/Jolie/Jolly/Jouille/JulieKeally*/Kealy*/Keeley*Lahea/Lahee/Lahey/Lahy*/Lahiff*/Leahy*
AdcockBagot*CainenDalzell*EbblingFannerGallowayHalfpenny*/Halpeny*Irwin*/Erwin*/Irvine/IrwineJenings/Jennings*/Kilmaine*Kealy*/Keally*/Keeley*/KeelyLaherty*
AdderlyBagshawCairnes/CairnsDamas/DamesEbbsFarady/Fardy*Gallwey/Galway/Galwey/GallowayHaliday/HallidayIsdellJenkin/Jenkins*/Shinkwin*/JinkinsKean*/Keane*/KeeneLaird*/Lord*
Addis*Bagwell*CairyDanDannEbzeryFarbeeGalonHaligan/Hallagan/Halligan*IsmayJennettKeansLake
Addy*/Aidy*BahaneCalaghDanagher*/DanaherEccles*Farel/Farell/Farill/Farrall/Farrel/Farrell*/Ferrall*/Farrill/Faroll/Ferrall/ffaralleGalt*/Gault*HalionIvansJennison/JessonKearan/Kearing/Keeran/Kearn/Kearon*/Kearns*Laler
Adley*/Audley*Bailey*/Bailie/Bailie*/Baillie/Bailly/Baily/Bayley/Baylie/Bayly*CalahanDancey*EcclestonFares/Faris/Farris*/Fairy*/Ferris*/Perris*/Feris/Ferres/Ferris*Gamball/Gamble*Hall*Ivory/EvoryJennyKearnan/KirnanLally*/Mulally*
Adlum*/Odlum*Bain*/BaineCalanan/CalananeDandyEchlin*/AclanFargeherGandonHallarean/Haloran/Halloran*/HalluraneIzodJermeganKearney*/KearnyLalor*/Lawler*
AdnallBaird*Calbeck/CaldbeckDane*EckarsallFargisonne/Farguishon/Ferguson*/Fergus*Ganlay/GanlyHallaway/HallowayIzonJervisKearns*/KearonLalouette
AdomsBajerCalbutDanfordEddgeworthton/Edgeworthton,Fargus/FergusGannon*Hall-DareJessoKeary*/Keery*Lam/Lamb/Lambe*/O'Loane*
Adorian*/Doran*/Dorian*Baker*CalbyDangerfieldEdgarFarla/FarlowGanuryHallinan*JessopKeas/Keays/KeaseLambart/Lambert*/Lambport*
Adrain*/Drain*/Adrian*/AdrienBaldrick*Calcott/Calcuit/Calcut/CalcuttDangoEdgeFarlanGapeHalliwood/HallwoodJewsterKeaserLambermont
Adrien/Adrian*Baldwin*/Baldoon*/BaldenCalderwood*/Catherwood*DanieEdgehill/Edgell/EdghillFarley/Farly/Farrelly*GarahanHallowellJilburn/GilburnKeaten/Keating*/KeatingeLamprey
AduthmanBaleCaldon/CaledonDaniel*/Daniell*/DanlEdgeworth*Farmer*Gardener/Gardiner*/GardnerHalmanJiles/GilesKeddieLanagan/Langan*/Lanigan*/Lannagan
Affleck*/Flack*Balf/Balfe*Caldwell*Danilly/DanilyEdmistonFarnell/Furnell*GarenHalnesJoanes/JoansKeelaghan/KeelevanLananze/Lanauze
Agar*/Eagar*/Agare/Ager//AggerBalfewCalenhoosenDannaherEdmondFarnhamGargan*/Garrigan*Halpeny*/Halfpenny*/HeapennyJocelynKeelingLancaster/Lankaster
AgardBalfoore/BalfourCalepsDannelly/DanollyEdmondsFarquhar*/FarkerGarland*/Gartland/Gartlen/Gernon*HalpinJohnsonKeenahan*Land
Agarty*/Hegarty*BalfordCalfeildDanoldEdmundsonFarran/Farren*/Fearon*GarlickHaltenJohnston/JohnstoneKeenan*Landers*
Aghoon*/Whitesteed*BalkinCalhouneDanversEdwardFarrerGarlyHaly*/Healy*Joice/Joyce*Keerevan/Keerivan/Kierevan/KirevanLandy*
Agnell,Ball*Caliby/GalibyDarbishereEdwards*Faulkner*/Faulkney*/Flakiner*/Faughnan*GarnettHalydayJones*KeeriganLane*/Len
AgnewBallagh*CaliganDarby*Egelonton/EgintonFausset/Fawcett*/Fossitt*GarneyHamJordan*/Jordanie/Jordon/Jourdan/Jurdan/JurdonKeeshan*/KeshanLang*/Lyng*
Ahearn*/Aheran/Ahern/Aherne*/Ahearn*/AheronBallantyne/Ballentine*/BallintineCalihanDarcey/D'Arcy/Darcy*/DorcyEgertonFaviereGarrHambleton/Hamilton*/HammeltonJoshueKehan/Keighan*Langford*
Ahessy*/Hahessy*BallastyCall*DarcusEichinghamFay*/Fee*/Foy*/Fey*/Fye*Garrat/GarrattHambury/HanburyJourneauxKeighan*/Keehan*Langhale
Aickin*/Adam*/Aiken/EkenBalmer*CallageDardis*EiffeFayle/FellGarraway/Garraway/Garreway/GarrowayHamell/Hamill*Joy*KeightlyLangley
Aide*/Heade*/Aidy*BalthurstCallaghan*/Callahan/Callihan/CallihonDargan*/DargenEkenheadFeakeGarret/Garrett*HammerJoynt*Keily*Langstaff
Aiken/Aickin/EkenBamberCallan*/Callin/CallonDarisEkens/Aikin/Aiken/Adam*Fealy*/FeelyGarruddasHammersley/HammerslyJudge*/Breheny*Keirnan/Kernan*/Kiernan*Langton*
Airay/Airey*/AiryBambrick*/Bambruck/Bamick/BamrickCallanan/Callanane/Callinan*/Calnan*DarkerEkeyFeareman/Fearon*/Farren*GarryHammon/Hammond*JulianKeith*Lannen/Lannon*/Lennon*/Lanyon
AlandBambridgeCallery*Darlay/Darley*Elcock/AlcockFeeGarstineHammyJupiterKeliher/Kelleher*/KelliherLapham/Laphen
AlaveBanaghanCalleyDarling*Elder*FeebleGarty*/Garrihy*HampsonJustinKellet/Kellett*Lapiely/Lapoly
Alcock*/Allcock/ElcockBanckes/Banks*/Brohan*/Bancks/BannksCallingDarlingtonEldersFeehan*/FeenGarvan*/Garvin*HamptonKelley/Kellie/Kelly*Lardner*
Alcorn*BancroftCallrevy/CalrevyDarmody*/Dermody*EllamsFeeneyGarvey*Hanagan/Hanigan/Hannigan*KellinghusenLargan*/Largon/Larigan
Alday,Bane*/Bawn*CallumDaskinsEllard*/Aylward*/ElliardFegan*/Fagan*/Feehan*/FehanGaseHanawayKells*/KillsLarge*
AlderdiceBanim/BaninCallwell/CalwellDatonEllefordFeighery/Feehery*/Feery*Gaskell/GatchellHanbridgeKellsay/KelseyLarissy
AldermanBanisterCaltonDaudh/DowdElliot/Elliott*/Ellot/ElletFeiritéarGaskinHancock/HandcockKelshawLarkan/Larken/Larkin*/Larmer*/Armour*