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- Ádhamh(Adam)Earth, manBoy
- ÁdhamhnánThe timorous oneBoy
- Ághaistín(Augustine, Austin)Great, venerableBoy
- Áine(Anya, Aine, Anne)Radiance, brightnessGirl
- ÁinfeanStorm, fury, violenceGirl
- ÁinleHero, champion, warriorBoy
- ÁlmhathUnknownGirl
- ÁnrothánSecond-degree poet, sun-traveller, champion, or nobleman second to the kingBoy
- ÁodhamairDerived from Aodh (fire)Girl
- Éabha(Eve, Eva)Life, livingGirl
- Éadaoin(Aideen, Edina)Jealousy; little fireGirl
- Éamon(Edmund, Edmond, Eamon)Wealthy protectorBoy
- Éamonn(Edmund, Eamon)Wealthy guardianBoy
- Éanán(Enan)Little birdBoy
- Éanna(Enda)Bird-likeBoy
- Éber(Heber)Of obscure origin; possibly 'man of the Iberian'Boy
- Éibhear(Eber, Heber)Granite, strong as a boarBoy
- Éibhleann(Evelyn, Eileen)Beauty, radianceGirl
- ÉibhlínRadiant, beautiful, brightGirl
- Éigneachán(Egnechan, Ignatius)ForcefulBoy
- Éile(Helen, Ella)Bright, shiningGirl
- Éilís(Elizabeth, Eilish)God is my oathGirl
- Éimear(Emer)SwiftGirl
- Éimhín(Evin, Evan)Swift, promptBoy
- Éireann(Erin)Of IrelandGirl
- ÉnánLittle birdBoy
- Énda(Enda)Bird-likeBoy
- Érimón(Eremon, Heremon)Of obscure originBoy
- Ériu(Erin)Of obscure origin; possibly 'land' or 'fertile'Girl
- Étaín(Aideen, Edaen)Little fire; jealousyGirl
- Íde(Ita, Ida)Thirst (for goodness, knowledge or holiness)Girl
- ÍonaitFaithful, pure, sincereGirl
- ÍorghnaithIron-birthBoy
- Íosac(Isaac)He will laughBoy
- ÓgánYoung one, youthBoy
- ÓisínLittle deerBoy
- ÓnaitSallowGirl
- Órla(Orla)Golden princess, golden ladyGirl
- Órlaith(Orla, Orlaith)Golden princessGirl
- Úna(Una, Oona, Oonagh, Winifred, Agnes)Hunger, lamb; desireGirl
A
- Abaigeal(Abigail)Father's joyGirl
- Abaigh(Abbey, Abbie)Father's joyGirl
- Abán(Abban)Little abbotBoy
- AbbánLittle abbotBoy
- AchaillOf obscure originGirl
- Adamnán(Eunan)Little AdamBoy
- AedammairLittle fiery oneGirl
- Aengus(Angus, Aeneas)One choice, sole vigourBoy
- AengusaOne choice, sole vigourBoy
- Agata(Agatha)Good, virtuousGirl
- AibellSpark; radianceGirl
- Aibhilín(Eveleen, Evelyn, Aileen)Desired, longed-for childGirl
- Aibhne(Eveny, Owney)Born of fire; pleasant oneBoy
- Aibreann(April)AprilGirl
- Aideen(Aideen, Edina)Little fireGirl
- Aifric(Africa, Affrica)Pleasant, agreeableGirl
- Aignéis(Agnes)Pure, holyGirl
- Ailbhe(Alby, Alvy, Elva)Bright, whiteUnisex
- AileanUnknownGirl
- Ailill(Allil, Oliol)Elf, spriteBoy
- Ailín(Allen, Alan)Little rock; nobleBoy
- Ailís(Alice, Alicia)Noble, of noble kindGirl
- Ailíse(Alice, Alicia)Noble, of noble kindGirl
- AimhirghinBorn of songBoy
- Aimirgin(Amergin)Wondrously born; song-conceptionBoy
- Aindréas(Andrew)Manly, braveBoy
- Aindriú(Andrew)Manly, braveBoy
- Aingeal(Angela)AngelGirl
- Ainmire(Anvirre)Great lordBoy
- AinnirMaiden, young womanGirl
- Airmid(Airmid)Etymology uncertain; possibly 'measure'.Girl
- Aisling(Ashling, Ashlyn)Dream, visionGirl
- Alastar(Alexander, Alister)Defender of menBoy
- Ambrós(Ambrose)ImmortalBoy
- Amhlaoibh(Auliffe, Humphrey, Olave)Ancestor's descendant, relic of the godsBoy
- AnaWealth or abundanceGirl
- Anluan(Anlon)Great hero, great warriorBoy
- Anraoi(Henry)Home rulerBoy
- Antaine(Anthony)Priceless, praiseworthyBoy
- AnuOf obscure origin; possibly 'wealth' or 'prosperity'Girl
- Aobh(Eve)Beauty, lovelinessGirl
- Aobhinn(Eavan, Aveen)Pleasant, lovely, radiantGirl
- Aodh(Hugh, Aidan, Hughie)FireBoy
- Aodhagán(Egan)Little fireBoy
- Aodhán(Aidan, Aiden, Edan)Little fireBoy
- Aodhnait(Ena, Enat)Little fireGirl
- AodnaitLittle fire (feminine form of Aodh)Girl
- Aoibhe(Eva, Ava)Beauty, radianceGirl
- Aoibheann(Eavan, Aveen)Fair, beautiful, of pleasant appearanceGirl
- Aoibhín(Eveen)Little beautiful oneGirl
- Aoife(Eva, Eve, Effie)Beautiful, radiantGirl
- AoileannFair, beautifulGirl
- Aonghas(Angus, Ennis)One choice, one strengthBoy
- AonghusOne strength or true choiceBoy
- Ardal(Ardal, Arnold)High valourBoy
- Ardghal(Ardal, Arnold)High valourBoy
- Art(Art, Arthur)Bear; noble; stoneBoy
- Artúr(Arthur)Bear, nobleBoy
- AthairneOf obscure originBoy
- Athracht(Attracta)Of obscure originGirl
B
- BáinePaleness, whitenessGirl
- Bairbre(Barbara)Foreign, stranger (Greek origin)Girl
- Bairre(Barry, Finbar)Fair-headedBoy
- Bairrfhionn(Barry, Barrfinn)Fair-haired, fair-toppedBoy
- BanbaOf obscure origin; perhaps 'pig' or 'unploughed land'Girl
- BanbhaName of an early goddess; also a poetic name for IrelandGirl
- BanbhánLittle pig, pigletBoy
- BardánPoet, bardBoy
- Barra(Barry)Fair-headedBoy
- BarrdhubhDark-headed, dark summitGirl
- Beanón(Benen, Benignus)Blessed (Latinised)Boy
- Bearach(Barry, Baruch)Pointed or sharpUnisex
- Bearchán(Berchan)Little sharp oneBoy
- Bearnárd(Bernard)Brave as a bearBoy
- Béatraís(Beatrice, Beatrix)She who brings happiness, blessedGirl
- Bébhionn(Bevin, Vivian)'Fair lady' or 'sweet woman'.Girl
- Bébinn(Bevin, Vivian)White woman, fair ladyGirl
- Becán(Beggan)Little one, smallBoy
- BecfolaOf small dowryGirl
- BecumaOf obscure originGirl
- Béibhinn(Bevin, Vivian)Fair lady, white-skinned womanGirl
- Beinidict(Benedict)BlessedBoy
- Beircheart(Bercan, Benjamin)Bright armyBoy
- BeoánLittle living one, livelyBoy
- Berach(Barry)Sharp, pointedBoy
- Bláithín(Blawheen)Little flowerGirl
- Bláthnaid(Blawnid, Florence)Little flower, blossomGirl
- BlathnátLittle flowerGirl
- BoannWhite cowGirl
- Bradán(Bradan)SalmonBoy
- Bran(Bran)RavenBoy
- Brandubh(Branduff)Raven-black, black ravenBoy
- BreacánFreckled, speckledBoy
- Bréanainn(Brendan, Brennan)PrinceBoy
- Breandán(Brendan)PrinceBoy
- Bréanna(Brenna, Breanna)Princess; from a noble lineGirl
- Breasal(Brassil, Brazil)Brave or strong in conflictBoy
- BrendánPrince or kingBoy
- Brian(Brian, Bryan, Bryant)Noble, high; strongBoy
- Bríd(Bridget, Brigid, Bride, Bidelia)Exalted one, high oneGirl
- Bridín(Breeda, Brideen)Little BrídGirl
- Brígh(Bree, Bria)Power, strength, vigourGirl
- BríghidHigh goddess or exalted oneGirl
- BroccBadger or sharp-facedBoy
- Brochadh(Broghy)Badger-likeBoy
- Brógán(Brogan)Sorrow, sadness; little shoeBoy
- BrónSorrowBoy
- Bróna(Brona, Bronagh)SorrowGirl
- Brónach(Bronagh)SorrowfulGirl
- BuachVictoriousBoy
- Buadhach(Boohig)VictoriousBoy
- Buite(Boetius)Eternal flame, of fireBoy
C
- Cadhan(Kane)Wild goose, barnacle gooseBoy
- Cadhla(Kyla)Beautiful, comely, gracefulUnisex
- Cahal(Cahal, Charles)Battle-ruleBoy
- Caílte(Keelta, Keelty)Slender, swiftBoy
- Cailtín(Caitlin, Catherine, Kathleen)PureGirl
- Cainneach(Canice, Kenneth)Handsome, fairBoy
- Cairbre(Carbry)CharioteerBoy
- Caireall(Carroll)Spear-like, valorousBoy
- Caireann(Karen)Little dark oneGirl
- Cáit(Kate)PureGirl
- Caitlín(Kathleen, Cathleen)PureGirl
- Caitrín(Catherine, Kathryn)PureGirl
- Caitríona(Catriona, Catherine, Katrina)PureGirl
- Calbhach(Calvagh, Charles)BaldBoy
- CanaWolf-cubBoy
- Cánair(Cannera)Etymology uncertain, possibly related to 'cano' (wolf-cub) or 'cáin' (fair).Girl
- Caoilfhionn(Keelin, Keeley)Slender and fairGirl
- CaoilinnSlender and fairGirl
- Caoimhe(Keeva, Keva)Gentle, beloved, beautifulGirl
- Caoimhín(Kevin)Gentle birth, kind oneBoy
- Caolán(Kelan, Keelan)Slender oneBoy
- Caolfhionn(Keelin, Kaylin)'Slender and fair'.Girl
- Caomhán(Keevan, Kevin)Gentle, kindBoy
- Caomhnait(Keevnat)'Little gentle one' (feminine of Caomhán).Girl
- Cárthach(Carthage, Cormac)Loving, affectionateBoy
- CasCurly-haired; twistedBoy
- CassCurly-hairedBoy
- Cathaír(Cahir, Charles)Battle-king, warriorBoy
- Cathal(Cahal, Charles)Battle-rule, mighty in battleBoy
- Cathán(Cahan, Keane)Little battlerBoy
- CathánBattlerUnisex
- CathaoinOf obscure originGirl
- Cathaoir(Cahir, Charles)Battle-kingBoy
- Cathasach(Casey)Vigilant, watchfulBoy
- CathbadBattle-slayingBoy
- Cathbharr(Caffar)Battle helmetBoy
- Ceallach(Kelly, Kellagh)Bright-headed; war, strifeBoy
- Ceallach(Kelly)Bright-headedUnisex
- CearaFiery redGirl
- Cearbhall(Carroll, Charles)Brave in sword-fighting; valorous in battleBoy
- CearnachVictoriousBoy
- Cellachán(Callaghan)Diminutive of Ceallach, 'little bright-headed one' or 'little contender'.Boy
- Cera(Cera)DarkGirl
- CessairSorrow, afflictionGirl
- CethernOf obscure originBoy
- Cian(Kian, Keane)Ancient, enduringBoy
- Cianán(Kienan, Keenan)Diminutive of Cian, 'little ancient one'.Boy
- Ciannait(Keenat)Ancient, enduringGirl
- Ciara(Ciara, Keira, Kira)Dark, dark-hairedGirl
- Ciarán(Kieran, Kieron, Ciaran)Little dark oneBoy
- Cillian(Killian, Kilian)Strife, war; little church-goerBoy
- Cillín(Killeen, Killian)'Little church' or 'little Cillian'.Boy
- Cinnéide(Kennedy)Helmet-headed; rough-headedBoy
- Cinnéididh(Kennedy)Helmeted headBoy
- Cionnaola(Kennelly, Kinealy)Wolf head, head of warriorsBoy
- Clíodhna(Cleena, Cliona)Of obscure origin; perhaps 'shapely'Girl
- Clíona(Cleena)ShapelyGirl
- ClodaghNamed after the River Clodagh in TipperaryGirl
- CnocHillBoy
- Cobhthach(Coffey)VictoriousBoy
- Cody(Cody)Helpful oneBoy
- Cóemgen(Kevin)Gentle birth, fair-begottenBoy
- Coileán(Collins, Cullen)'Young hound, whelp'.Boy
- Coilín(Colin)Pup, young hound; victorious peopleBoy
- Coinneach(Kenneth, Canice)'Handsome, fair one' or 'born of fire'.Boy
- Coireall(Correll, Cyril)Battle manBoy
- Colla(Colla)Chief, renownedBoy
- Colm(Colm, Colum, Columba)DoveBoy
- Colmán(Colman)Little doveBoy
- Comán(Coman)Little bent one; little crooked oneBoy
- Comgall(Cowal)Joint pledge, fair pledgeBoy
- Comhghall(Cowall)Fellow hostageBoy
- Comhghan(Cowan)Born together, twinBoy
- Conaire(Conary)Hound-keeper, hound-warriorBoy
- Conall(Connell, Conal)Strong as a wolfBoy
- Conán(Conan)Little hound, little wolfBoy
- Conchobhar(Conor, Connor, Cornelius)Lover of hounds; strong-willedBoy
- Conchúr(Conor, Connor)Lover of houndsBoy
- Conghalach(Congalagh)Brave as a wolfBoy
- Conlaodh(Conleth, Conleath)Chaste fire; pure fireBoy
- Conmhac(Conmac)Son of the houndBoy
- ConmhaolVictorious hound, hound-chiefBoy
- Conn(Conn, Constantine)Chief, head; sense, intelligenceBoy
- Connla(Conley)Of obscure originBoy
- Connlaodh(Conley, Connolly)Pure fireBoy
- Conor(Connor)Lover of houndsBoy
- CorcHeart; or bright, ruddyBoy
- Cormac(Cormac, Charles)Charioteer; son of defilementBoy
- Cosnamhach(Cosnamach)Defender, protectorBoy
- Crimthann(Creevan, Griffin)'Fox'.Boy
- Criomhthann(Criffan)FoxBoy
- Críostóir(Christopher)Christ-bearerBoy
- Cristín(Christine, Christina)Follower of ChristGirl
- Cróchán(Croghan)Saffron-colouredBoy
- Crónán(Cronan)Little dark oneBoy
- Cú Chulainn(Cuchulain, Cuchulainn)Hound of CulannBoy
- Cú RoíHound of the plainBoy
- Cuán(Cuan)Little houndBoy
- Cuimín(Cumian, Comyn)Little bent oneBoy
- CumhallChampion, sky-warriorBoy
D
- DabhagNimble, skilfulBoy
- Dabheoc(Davog)My little Beoc (affectionate)Boy
- Dáibhí(David)BelovedBoy
- DaigFire, flameBoy
- DaighFlame, fireBoy
- Daimhín(Davin, Devin)Little ox, little stagBoy
- Dáire(Dary, Darius)Fruitful, fertile; oakBoy
- DáirineFruitful, fertileGirl
- Dáithí(Dahy, David)Swiftness or nimblenessBoy
- Dálach(Daly, Dawley)'Assembly' or 'one who attends gatherings'.Boy
- DallánLittle blind oneBoy
- Damhán(Davan)Little stag, fawnBoy
- Damhnaic(Dominic)Of the LordBoy
- Damhnait(Dymphna, Devnet)Little fawn, little doeGirl
- DaolghasDark strength, black fateBoy
- Dara(Dara)Oak, oak groveUnisex
- Darach(Darach)Of the oakBoy
- Darerca(Darerca)Steadfast, lastingGirl
- Darragh(Darrach, Dara)Oak; fruitfulBoy
- Déaglán(Declan)Full of goodnessBoy
- Dearbháil(Derval, Dervil)True desire; daughter of Fál (Ireland)Girl
- Dearbhfhorghaill(Dervorgilla)True testimonyGirl
- Dearbhla(Dervla, Derbhla)True desireGirl
- Deasmhumhnach(Desmond)Man from DesmondBoy
- DeasmumhnachMan from Desmond (County Cork)Boy
- Deichtine(Dectera)Of obscure originGirl
- Deirbhile(Dervilia, Dervla)Daughter of a poetGirl
- Deirdre(Deirdre, Deidre)Sorrowful; one who ragesGirl
- Derbforgaill(Dervorgilla, Devorgilla)Daughter of Forgall; true pledgeGirl
- Diarmaid(Dermot)Without envyBoy
- Diarmait(Dermot, Jeremiah)Without envy, free manBoy
- Diarmuid(Dermot, Jeremiah, Jeremy)Without envy, free manBoy
- Doireann(Doreen, Dorrin)Tempestuous; daughter of FionnGirl
- Domhnall(Donal, Donald, Daniel)World-rulerBoy
- Donagh(Denis)Brown warriorBoy
- Dónal(Donal, Donald, Daniel)World-ruler, world-mightyBoy
- Dónall(Donal, Donald)World mighty, proud chiefBoy
- Donn(Donn)Brown; chief, lordBoy
- Donnabhán(Donovan)Little dark oneBoy
- Donnacha(Donagh, Duncan)Brown warriorBoy
- Donnán(Donan)Little brown oneBoy
- Donncha(Donagh, Duncan)Brown warriorBoy
- Donnchadh(Duncan, Donagh, Denis)Brown warriorBoy
- DonnchúBrown houndBoy
- DuarcánLittle gloomy oneBoy
- Dubhaltach(Dudley, Dualtagh)Dark-jointed; dark-limbedBoy
- Dubhán(Duane, Dwane)Little dark oneBoy
- Dubhdara(Dudley)Dark of the oakBoy
- DubhgallDark foreignerBoy
- Dubhghall(Dougal, Dugald)Dark foreignerBoy
- Dubhghlas(Douglas)Dark streamBoy
- Dubhshláine(Delaney)Dark challenger; black of the Sláine (River Slaney)Boy
- Dubhthach(Duffy, Duff)Dark oneBoy
- Dúltach(Doalty)Devoted, willfulBoy
- DunfhlaithBrown princessGirl
- Dúnlang(Dunlang, Dowling)Fort strongBoy
E
- Eachaidh(Aghy, Achey)HorsemanBoy
- Eachann(Hector)Brown horse, horse-lordBoy
- EachnaSteed-like, swift as a horseGirl
- Eachra(Eachra)'Horse-like' or 'pertaining to horses'.Girl
- EalgaNobleGirl
- Earcán(Ercan)Little red one, speckledBoy
- EarnaitKnowing, experiencedGirl
- Earnán(Ernan, Ernest)Little experienced one; ironBoy
- EasnadhMusical soundGirl
- Eiléanóir(Eleanor, Elinor)Bright, shining lightGirl
- Eimíle(Emily, Emilia)Rival, industriousGirl
- Eireamhón(Eremon, Irving)PloughmanBoy
- Eistir(Esther)StarGirl
- Eithne(Enya, Eithne, Edna, Annie)Kernel, grainGirl
- Eochaidh(Hugh, Aughey)Horseman, knightBoy
- Eoghan(Owen, Eugene)Born of the yew; well-bornBoy
- Eoin(John, Owen, Ewan)God is graciousBoy
- Eolang(Olan)Of obscure origin; possibly 'knowledge'Boy
- ErcSpeckled one; salmonBoy
- EveBeauty, radianceGirl
F
- Fachtna(Faughnan, Festus)Malicious, hostileUnisex
- Fáilbhe(Failbe)Lively, generousBoy
- FandTear, pearlGirl
- FaoileannSeagull; fair maidenGirl
- FaoiltiarnaWolf lady, princess of wolvesGirl
- Faolán(Phelan, Felan)Little wolfBoy
- FaolchúWolf-houndBoy
- Fearadhach(Frederick)Manly, virileBoy
- Fearchar(Farquhar)Dear man, beloved manBoy
- Feardorcha(Frederick, Ferdinand)Dark manBoy
- Fearganainm(Ferdinando)Man without a nameBoy
- Fearghal(Fergal, Ferrall, Virgil)Man of valourBoy
- Fearghas(Fergus)Man of vigourBoy
- Fearghus(Fergus)Man of vigour, manly strengthBoy
- Féichín(Festus)Little ravenBoy
- Feidhlim(Felix, Phelim)Constant, ever-goodBoy
- FeidhlimEver good or ever beautifulUnisex
- Féilim(Phelim, Felix)Ever good, beautyBoy
- Ferdia(Ferdia)'Man of the gods' or 'man of smoke'.Boy
- Fiacha(Fiacha)Raven, huntBoy
- Fiachra(Fiacre)Battle-king; ravenBoy
- Fiadh(Fia)Wild deer; respectGirl
- Fial(Feal)'Modest, generous, honourable'.Girl
- Fianait(Feena)Wild deer, doeGirl
- Findan(Findan, Finnan)'Fair-haired'.Boy
- Finghin(Florence, Finn)Fair offspring, fair-bornBoy
- FinnánFair oneBoy
- FinnchadFair warrior, fair battleBoy
- FinnchúFair hound, white houndBoy
- Finnian(Finnian, Finian)Fair, whiteBoy
- FinnseachFair ladyGirl
- Fintan(Fintan)White fire, white ancientBoy
- Fíona(Fiona)Wine; vineGirl
- Fionán(Finan)Little fair oneBoy
- Fionn(Finn)Fair, white, brightBoy
- Fionnabhair(Findabair)Fair phantom, white spiritGirl
- FionnaitFair-haired, whiteGirl
- FionnánLittle fair oneBoy
- Fionnbharr(Finbar, Finbarr, Barry)Fair-headedBoy
- FionnchúFair hound, white wolfhoundBoy
- Fionnghuala(Finola, Fenella, Nuala)Fair-shouldered, white-shoulderedGirl
- Fionnuala(Finola, Nuala, Fenella)Fair-shoulderedGirl
- Fitheal(Fitheal)Sprite, goblinBoy
- Flaithrí(Florence)Princely king, ruler kingBoy
- Flann(Flann)Red, ruddy, blood-redUnisex
- FlannaitLittle red oneGirl
- Flannán(Flannan)Little red one, ruddy oneBoy
- Fódla(Fola)Of obscure originGirl
- ForannánOf obscure origin; possibly 'overseer'Boy
- Forbhlaith(Orla, Fervila)Sovereign princess, supreme ladyGirl
- Frainc(Frank)Free manBoy
- Fursa(Fursey)Of obscure originBoy
G
- Gallchobhar(Gallagher)Foreign helperBoy
- Garbhán(Garvan)Little rough oneBoy
- Gearóid(Gerald, Gerard, Garret)Spear-rulerBoy
- GeileisBright swanGirl
- GilleagánLittle ladBoy
- Glaisne(Glasny)'Stream' or 'green-grey'.Boy
- Gobán(Goban)Little smithBoy
- Gobnait(Gobnet, Abbey, Abigail, Deborah)Little smithGirl
- GoibniuSmithBoy
- GollOne-eyed; greatBoy
- Gormán(Gorman)Little dark-blue one; little swarthy oneBoy
- GormánDark, swarthyUnisex
- Gormfhlaith(Gormley)Blue sovereignty, illustrious princessGirl
- GormghalDark valour, blue valourBoy
- Gormlaith(Gormley, Barbara)Illustrious princess; blue-nobleGirl
- Gráinne(Grania, Grace)Grain, seed; belovedGirl
- Gréagóir(Gregory)Watchful, vigilantBoy
- Grian(Greine)'Sun'.Girl
H
I
- Iarfhlaith(Jarlath)Lord of the west; tributary lordBoy
- Iarla(Earl)Earl, noblemanBoy
- Ibar(Ivor (unrelated etymology))'Yew tree'.Boy
- Imelda(Imelda)All-encompassing battleGirl
- IobharYew treeBoy
- IolarEagleBoy
- IollannWorshipper, devoteeBoy
- Iomhar(Ivor, Ivar)Bow-warrior, archer (Norse origin)Boy
- Irial(Irial)Of noble aspectBoy
- Iseult(Isolde, Yseult)Fair, of fair appearanceGirl
- Isibéal(Isabel, Isabella)God is my oathGirl
L
- Labhraidh(Lawrence, Laurence)Spokesman, eloquent oneBoy
- Labhrás(Laurence, Lawrence)From Laurentum (Latin)Boy
- Lachtna(Lucius)Milk-coloured, paleBoy
- Laisrén(Laserian)'Little flame'.Boy
- LaoireCalf-herdBoy
- Laoise(Lucy, Louise, Lisa)Light, radianceGirl
- Laoiseach(Lewis, Louis)Of Laois, from LeixBoy
- LasairFlameGirl
- LasairfhíonaFlame of wineGirl
- Lasairian(Laserian, Lazerian)FlameBoy
- Lasairíona(Lasarina)Flame of wineGirl
- Léan(Helen, Helena)Bright, shiningGirl
- Leannán(Lennon, Lannon)'Lover, darling, sweetheart'.Boy
- LíadánGrey ladyGirl
- LiamStrong-willed warrior, protectorBoy
- LiathGreyUnisex
- LíobhanBeauty of womenGirl
- LirSeaBoy
- LochlainnLakeland or Fjordland; land of the NorsemenBoy
- Lochlann(Lochlann, Loughlin)Land of the lochs (Scandinavia); VikingBoy
- Lóegaire(Leary, Laeghaire)Calf-keeper, herdsmanBoy
- Lomán(Loman)Little bare oneBoy
- Lonán(Lonan)Little blackbirdBoy
- Lorcán(Laurence, Lorcan)Little fierce oneBoy
- Lugh(Lugh, Louie)Light; oathBoy
- Lughaidh(Lewy, Louis, Aloysius)Of Lugh; lightBoy
- Luíseach(Lucy, Lucia)Radiant, light-bearingGirl
M
- Macartan(Macartan, McCartan)Son of Artan (little bear)Boy
- Macdara(Macdara)Son of the oakBoy
- MachaPlain; battlefieldGirl
- MacniaYoung warrior, boy heroBoy
- Maedoc(Mogue, Aidan)My little AodhBoy
- Mael ÍosaServant of JesusBoy
- MaeleachlainnServant or devotee of St. SeachnallBoy
- Maelíosa(Melissa (used by sound))Devotee of Jesus, servant of ChristBoy
- Maelíseachlainn(Malachy, Melaghlin)Devotee of Saint SecundinusBoy
- Maelmuire(Myles, Miles)Devotee of MaryBoy
- MaelruainDevotee of RuadhánBoy
- MaeveShe who intoxicatesGirl
- Maghnus(Manus, Magnus)GreatBoy
- Máible(Mabel, Mable)LovableGirl
- Mainchín(Munchin)Diminutive of manach, 'little monk'.Boy
- Maine(Mainey)Etymology uncertain; possibly related to 'maín' (treasure, gift).Boy
- Máire(Mary, Maura, Maureen, Moira)Beloved; bitter (Hebrew origin)Girl
- Mairéad(Margaret, Marguerite, Maggie)PearlGirl
- Máirín(Maureen, Moreen)Little Mary, star of the seaGirl
- Máirtín(Martin)Of Mars, warlikeBoy
- Maitilde(Matilda, Maud)Mighty in battleGirl
- Maitiú(Matthew)Gift of Yahweh (Hebrew origin)Boy
- Manannán(Manannan)Of the Isle of Man; sea-dwellerBoy
- Manchán(Manchan, Munchin)Little monkBoy
- Mánus(Manus, Magnus)GreatBoy
- Maodhóg(Mogue, Aidan)My little Aodh (fire)Boy
- Maoileachlainn(Malachy, Melaghlin)Devotee of Saint SecundinusBoy
- Maoilín(Meylin)Little devotee, tonsured oneBoy
- Maoilir(Meyler, Milo)Chief stewardBoy
- Maol MhuireServant or devotee of St. MaryUnisex
- Maolán(Mullen)Little tonsured one, little devoteeBoy
- Maolcholm(Malcolm)Devotee of ColumbaBoy
- Maolíosa(Myles, Miles)Devotee of JesusBoy
- Maolmhaodhóg(Malachy)Devotee of Maodhóg (i.e., Saint Maedoc)Boy
- Maolruadháin(Mulrooney)Devotee of RuadhánBoy
- Maolsheachlainn(Malachy, Melaghlin)Devotee of St. SechnallBoy
- Marcán(Marcan)Little Marcus; little horseBoy
- Marcas(Mark)Of Mars; warlike (Latin origin)Boy
- Mathúin(Mahon, Matthew)BearBoy
- Méabh(Maeve, Mave)She who intoxicatesGirl
- MeallaPleasant, delightfulGirl
- Meallán(Mellan)Little pleasant oneBoy
- Mel(Mel)Etymology uncertain, possibly a hypocoristic form.Boy
- Mella(Mella)Lightning, livelyGirl
- Mícheáilín(Michaelina, Michelle)Who is like God?Girl
- Mícheál(Michael)Who is like God?Boy
- MídeMiddle, the middle provinceGirl
- MidirOf obscure originBoy
- Mochaoi(Mahee)My dear one (affectionate)Boy
- MochaomhógMy dear gentle oneBoy
- MochtaOf obscure originBoy
- Mochua(Mochua)My hound (affectionate)Boy
- Mochuda(Carthage)My Cuda (affectionate)Boy
- Móirín(Moreen)Little great oneGirl
- MóirneGreatGirl
- Molaise(Molash, Laserian)'My little flame' (devotional form of Laisrén).Boy
- MolaisseFlame; fire (pet form of Laisrén)Boy
- Moncha(Monica)Advisor, counsellorGirl
- Moninne(Modwenna)Of obscure origin; affectionate 'Mo' + 'Ninne'Girl
- Mór(Mor, Mary, Martha)Great, largeGirl
- MorríganGreat queen; phantom queenGirl
- Muadhnait(Monat, Mona)Noble, goodGirl
- Muircheartach(Murtagh, Mortimer)Sea battlerBoy
- Muirchertach(Murtagh, Mortimer)Skilled in seafaring, marinerBoy
- Muireadhach(Murray)Lord of the seaBoy
- Muireann(Marion, Marian)Sea-fair, sea-whiteGirl
- Muirgen(Morgan (unrelated etymology))'Born of the sea'.Girl
- Muirgheal(Muriel)Sea-bright, bright as the seaGirl
- Muirgheas(Morrissey, Maurice)Sea-strength, sea-powerBoy
- Muirín(Maureen)Born of the sea, little seaGirl
- Muiris(Maurice, Morris)Dark-skinned, Moorish (Latin origin)Boy
- Muirne(Myrna, Morna)Beloved, dear oneGirl
- Murchadh(Murrough, Murphy)Sea-warriorBoy
- MurchúHound of the seaBoy
N
- Nainsí(Nancy)GraceGirl
- Naoise(Neasa, Noah)Of obscure originBoy
- NaomhSaintGirl
- Naomhán(Nevan)Little holy oneBoy
- NaosNoble, poetBoy
- Nathí(Nathy)Of obscure originBoy
- Neachtan(Naughton)Pure, cleanBoy
- NeamhainBattle-fury, warlike frenzyGirl
- Neasa(Nessa, Nessie)Not gentleGirl
- Neasán(Nesan)Little stoatBoy
- Nechtan(Naughton)'Pure, clean' or 'wet, moist'.Boy
- NessánOf obscure origin; perhaps related to NeasaBoy
- Niall(Neil, Neal, Niall)Champion; cloud; passionateBoy
- NialláinLittle Niall; little cloud or championBoy
- Niallán(Nealon)Little championBoy
- Niamh(Neve, Neeve)Brightness, radianceGirl
- Nioclás(Nicholas)Victory of the peopleBoy
- Nóinín(Daisy)Daisy, little noonGirl
- Nóirín(Noreen, Norene)Little honourable oneGirl
- Nollaig(Noelle, Noel)ChristmasGirl
- Nóra(Nora, Norah, Honora)HonourGirl
- NuadaCloud-maker; fisherBoy
- NuadhaCloud-makerBoy
- Nuala(Nuala, Finola)Fair-shoulderedGirl
O
- OdharPale, dun-coloured, sallowBoy
- Odharnait(Orna, Ornat)'Little dark-haired one' (feminine of Odhrán).Girl
- Odhrán(Oran, Odran)Little pale green one; sallowBoy
- Oilibhéar(Oliver)Olive tree (Latin); ancestor's descendant (Old Norse)Boy
- OilithirPilgrimBoy
- Oistín(Austin, Augustine)Great, venerableBoy
- Olcán(Olcan)Little wolfBoy
- OnchúFierce hound, leopardBoy
- Onóir(Honor, Honora, Nora)HonourGirl
- Onóra(Honora, Honor)Honour, reputationGirl
- Oscar(Oscar)Deer-lover, deer-friendBoy
P
- Pádraig(Patrick, Patricia, Paddy)Noble, of patrician classBoy
- Pádraigín(Patricia, Patsy)Little Patrick; noblewomanGirl
- Páidín(Paddy, Patsy)Little PatrickBoy
- Páraic(Patrick)NobleBoy
- Peadar(Peter)Rock, stoneBoy
- Pegeen(Peggy, Pegeen)Little pearlGirl
- Peig(Peg, Peggy)PearlGirl
- Peigín(Peggy, Pegeen)Little pearlGirl
- Piaras(Pierce, Piers)Rock, stoneBoy
- Póilín(Pauline, Paulina)Small, humbleGirl
- Pól(Paul)Small, humble (Latin origin)Boy
- Proinsias(Francis, Frank)Free man, FrenchmanBoy
R
- RathnaitGrace, prosperityGirl
- Réamonn(Raymond, Redmond)Wise protectorBoy
- RéiltínLittle starGirl
- RíanLittle kingBoy
- Ríoghán(Regan, Ryan)Little kingBoy
- Ríoghnach(Riona, Regina)QueenlyGirl
- RíonaQueenlyGirl
- Ríonach(Rinach, Riona)Queenly, regalGirl
- Ríonann(Rhiannon)Great queen, divine queenGirl
- Riordan(Riordan, Reardon)Royal poet, royal bardBoy
- Risteárd(Richard)Brave rulerBoy
- Roibeard(Robert)Bright fameBoy
- Róisín(Rosheen, Rose, Rosaleen)Little roseGirl
- RónaitLittle sealGirl
- Rónán(Ronan, Ronnie)Little sealBoy
- RórdánRoyal poetBoy
- Ros(Ross)Wood; promontory; redBoy
- Rós(Rose)Little rose; originally from Norse word for horseGirl
- Rossa(Ross)Wood, headland, promontoryBoy
- Ruadh(Roy)Red, red-hairedBoy
- Ruadhán(Rowan, Ruan)Little red oneBoy
- Ruairí(Rory, Roderick)Red kingBoy
S
- Sadhbh(Sive, Sophie, Sally)Sweet, goodlyGirl
- Saerbreathach(Justin)Noble judgementBoy
- Saerlaith(Sara)Noble ladyGirl
- Saoirse(Saoirse, Seersha)Freedom, libertyGirl
- Saorbhreathach(Justin)Noble judgeBoy
- SaorfhlaithFree sovereignty, noble princessGirl
- SáránExcellent, nobleBoy
- SárnaitLittle noble one, little excellent oneGirl
- ScáthachShadowy, shaded oneGirl
- SceolánSurvivor; one with little learningBoy
- ScoithniamhFlower of beauty, radiant blossomGirl
- Séadna(Sidney)Ancient, old oneBoy
- Séafra(Geoffrey, Jeffrey)God's peaceBoy
- Séamas(James, Seamus)SupplanterBoy
- Séamus(James, Seamus, Hamish)Supplanter (Hebrew origin)Boy
- SéanGod is graciousBoy
- SéanánLittle wise oneBoy
- Searbhán(Sharvan)Bitter one, surly oneBoy
- Séarlas(Charles)Free manBoy
- Senán(Senan)Little wise/old oneBoy
- SenchánLittle wise/old oneBoy
- Seoidin"Little Jewel" or "Little Gem"Girl
- Seoirse(George)Earth worker, farmerBoy
- Seosaimhín(Josephine, Josie)God will addGirl
- Seosamh(Joseph)He shall add (Hebrew origin)Boy
- Setanta(Setanta)Of obscure origin; possibly 'wise' or referring to a British tribeBoy
- Siadhal(Shiel, Sheale)Peaceful, gentleBoy
- Sibéal(Isabel, Sybil)God is my oath (Hebrew origin)Girl
- Síle(Sheila, Sheelagh, Cecilia)Blind (Latin origin)Girl
- Síne(Sheena)God is graciousGirl
- Sinéad(Janet, Jane, Jenny)God is gracious (Hebrew origin)Girl
- Siobhán(Joan, Jane, Susan, Shavaun)God is gracious (Hebrew origin)Girl
- Síoda(Sheedy)SilkBoy
- SíofraSprite, elf, changelingGirl
- Síomha(Sheeva)Good peace, peacefulGirl
- Síomón(Simon)He has heardBoy
- Sionnach(Fox, Shannagh)'Fox'.Boy
- SíthchearnLord of peaceBoy
- Sláine(Slany)HealthGirl
- Sorcha(Sorcha, Sarah, Sally)Bright, radiantGirl
- Sósaidh(Josie, Josephine)God will addGirl
- Steafán(Stephen, Steven)Crown, wreathBoy
- Stéise(Stacy, Anastasia)ResurrectionGirl
- Stíofáinín(Stephanie)Crown, garlandGirl
- Stiofán(Stephen, Steven)Crown, garland (Greek origin)Boy
- SualtamUncertain, possibly from a saga epithetBoy
- Suibhne(Sweeney)Pleasant, well-goingBoy
- Súsanna(Susanna, Susan)Lily, roseGirl
T
- Tadhg(Timothy, Tadhg, Teague)Poet, philosopher, storytellerBoy
- Tadhgán(Teegan, Teigan)'Little poet' or 'little philosopher' (diminutive of Tadhg).Boy
- TailtiuOf obscure originGirl
- Taithleach(Tahilly, Timothy)Peaceful, quietBoy
- Talulla(Tallulah)Abundant princess; lady of plentyGirl
- Tarlach(Terence, Terry, Charles)Instigator, abettorBoy
- TasachOf obscure originBoy
- Téa(Tea)Of obscure originGirl
- Téadóir(Theodore)Gift of GodBoy
- Tiarnach(Tierney)LordlyBoy
- TiernanLordBoy
- Tighearnach(Tierney)Lordly, lord-likeBoy
- Tighearnán(Tiernan, Kiernan)Diminutive of Tighearnach, 'little lord'.Boy
- TigrisTiger (Latin)Girl
- Tilde(Tilda, Matilda)Mighty in battleGirl
- Tiobóid(Theobald, Toby)Bold peopleBoy
- Tlachtga(Tlachtga)Etymology uncertain; possibly 'earth-spear'.Girl
- Toirdhealbhach(Turlough, Terence, Charles)Instigator, prompter, abettorBoy
- Toiréasa(Theresa, Teresa)Harvester, summerGirl
- Tomaltach(Tomalty, Timothy)Bulky, sturdyBoy
- Tomás(Thomas, Tom, Tommy)Twin (Aramaic origin)Boy
- TreabharShrewd, prudentBoy
- Treasa(Theresa, Tessa, Tracy)Strength; harvestGirl
- Treasach(Tracey, Treacy)'Fierce, warlike, fighter'.Boy
- Tríona(Trina)PureGirl
- Tuathal(Toole, Toal)Lord of the people, ruler of the peopleBoy
- TuathfhlaithPeople's sovereignty, princess of the peopleGirl
- TuathlaPrincess of the tribeGirl
- Tuilelaith(Tallula, Tully)'Abundance of sovereignty' or 'lady of plenty'.Girl
- Turlough(Turlough, Terence)InstigatorBoy