Irish Male Name Generator

Authentic Irish men's names with real surnames

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Generate authentic Irish male names, from everyday favourites like Cian O'Brien and Darragh Kelly to fully Gaelic forms such as Tadhg Ó Súilleabháin and Fiachra Mac Cárthaigh. Ideal for characters, family-history fiction, Celtic fantasy settings or finding your own Irish name.

About Irish male names

Irish men's names come in two spellings. Most have an Irish-language form and an anglicised twin: Tadhg and Tim, Séamus and James, Eoghan and Owen, Diarmuid and Dermot, Pádraig and Patrick. The fada on á, é, í, ó and ú lengthens the vowel, so Seán is "shawn" and Rónán is ROH-nawn. The daunting clusters follow rules: "bh" and "mh" sound like v or w (Caoimhín is KWEE-veen), "dh" and "gh" are soft or silent (Tadhg is like "tiger" without the r), and "Oisín" is simply uh-SHEEN.

Surnames for men use the prefixes Ó ("descendant of") and Mac ("son of"), which English records turned into O' and Mc or Mac. So Cian Ó Briain and Cian O'Brien are the same man in two registers, and Norman families who arrived in the 1100s contributed Fitzgerald, Burke, Power and Roche. Some names are tied to regions: O'Sullivan and McCarthy are thick in Cork and Kerry, Gallagher and O'Doherty in Donegal, Joyce and O'Malley in the west.

A believable name matches form and setting. A Dublin accountant reads as Conor Ryan, a character in a Gaeltacht village or Celtic fantasy as Fiachra Ó Dochartaigh, and a 1900s emigrant as Patrick Flanagan. Mixing a fada-heavy first name with a plain English surname, as in Oisín Walsh, is completely normal in modern Ireland.

How to choose Irish male names

  • Pick one register and stay in it: Irish-language surnames (Ó Súilleabháin, Mac Cárthaigh) for Gaeltacht, historical or fantasy settings, and anglicised forms (O'Sullivan, McCarthy) for contemporary characters.
  • Check pronunciation before you commit: Tadhg is TYGE, Oisín is uh-SHEEN, Cillian is KILL-ee-an, Eoghan is OWEN, Caoimhín is KWEE-veen and Ruairí is ROO-ree.
  • For a Celtic or mythic setting, lean on older names such as Fionn, Oisín, Naoise, Cormac, Conall, Lugh and Setanta rather than modern favourites like Conor or Kevin.
  • Match generation to name: Darragh, Cian, Fionn and Oisín dominate boys born since 2000, while Patrick, Seamus, Dermot and Brendan suit men born before 1970.
  • Do not give every character a Murphy or a Kelly; quieter real surnames like Tangney, Brosnan, Lynskey, Ferriter or Geraghty make a cast feel lived-in.

Frequently asked questions

What are the most popular Irish male names today?

In recent Irish birth statistics Jack, Noah and James lead, but the most popular distinctly Irish names are Cillian, Fionn, Oisín, Darragh, Cian, Tadhg, Rían, Seán and Conor. Older generations are more likely to carry Patrick, Michael, Seamus, Brendan, Declan or Dermot.

What is the difference between O' and Mac in Irish surnames?

Ó (anglicised O') means "grandson" or "descendant of", and Mac (Mc or Mag) means "son of". A man is Ó Briain or Mac Cárthaigh in Irish; the English records turned these into O'Brien and McCarthy. Both prefixes are used by men across the whole family, unlike the female forms Ní and Nic.

How do I find the Irish version of my own name?

Most English names have a recognised Irish equivalent: John is Seán, Patrick is Pádraig, William is Liam or Uilliam, James is Séamus, Hugh is Aodh, Edward is Éamonn and Jeremiah is usually Diarmuid. Find the Irish form of your first name in the list, then attach your surname with its Ó or Mac spelling.

Can I use these names for fantasy or historical characters?

Yes. The Gaelic-spelled forms with Ó and Mac suit medieval, mythic and Celtic-flavoured fantasy settings, and legendary names like Fionn, Oisín, Cú Chulainn's birth name Setanta, Naoise and Conall Cearnach come straight from Irish saga. For a Victorian or emigrant-era story, use anglicised forms such as Patrick Flanagan or Michael Brosnan.

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All 500 Irish male names

This is the complete list the generator above draws its random batches from, sorted A to Z and grouped by first letter.

Plain text, one name per line.

A: 28 names

  • Aengus McCann
  • Aengus McKenna
  • Aengus Ó hAonghusa
  • Ailbe McCarron
  • Ailbe McMahon
  • Ailill McAuliffe
  • Ailill Ó Gairbhith
  • Ailill Tracey
  • Aindriú Leonard
  • Aindriú Maloney
  • Aindriú Ó Fallamhain
  • Alan Gorman
  • Alan O'Riordan
  • Aodh McCabe
  • Aodh Ó Glasáin
  • Aodh Tubridy
  • Aodhán Dooley
  • Aodhán Maher
  • Aodhán Ó Riain
  • Aonghus McCormack
  • Aonghus Ó hAnracháin
  • Aonghus Tuite
  • Ardal Cullen
  • Ardal Enright
  • Ardal Ó Floinn
  • Art McCaffrey
  • Art McGuinness
  • Art Ó hAnluain

B: 22 names

  • Barra McCluskey
  • Barra Mooney
  • Barra Ó hIfearnáin
  • Barry Delaney
  • Barry Herlihy
  • Bartley McEvoy
  • Bartley Ó hArrachtáin
  • Bartley Vaughan
  • Bearach McConville
  • Bearach Moriarty
  • Bran McArdle
  • Bran McDonagh
  • Bran Ó Gráda
  • Breandán McCourt
  • Breandán Mulcahy
  • Breandán Ó hUiginn
  • Breasal Madden
  • Breasal Ó Fógartaigh
  • Breasal Tarrant
  • Brendan Brady
  • Brendan Donnelly
  • Brendan Mac Giolla Phádraig

C: 73 names

  • Cahal McGee
  • Cahal Ó hAirtnéada
  • Cahal Wallace
  • Cairbre Lucey
  • Cairbre Ó Fiannaidhe
  • Cairbre Talty
  • Caoimhín de Bhál
  • Caoimhín Gannon
  • Caoimhín Scallan
  • Caolán Caomhánach
  • Caolán Carroll
  • Caolán Fenton
  • Caolán Mac Giolla Bhríde
  • Caomhán Mag Fhionnáin
  • Caomhán Markey
  • Caomhán Toner
  • Cárthach Malone
  • Cárthach Ó Gealbháin
  • Cárthach Tighe
  • Cathair McElligott
  • Cathair Nugent
  • Cathair Ó hÓráin
  • Cathal Brosnan
  • Cathal Healy
  • Cathal Ó Dochartaigh
  • Cathaoir Galvin
  • Cathaoir Ó Tuathaigh
  • Cathaoir Ruddy
  • Ciabhán McEntee
  • Ciabhán O'Dea
  • Cian Ó Ceallaigh
  • Cian O'Brien
  • Cian Shiels
  • Ciarán Cuddihy
  • Ciarán Duffy
  • Ciarán Ó Conghaile

C, continued

  • Cillian McCarthy
  • Cillian Ó Conchúir
  • Cillian Ó Grianna
  • Cillian Tansey
  • Colin Mahony
  • Colin O'Donnell
  • Colm Dineen
  • Colm Ó Coileáin
  • Colm Whelan
  • Colmán Céitinn
  • Colmán McGarry
  • Colmán O'Driscoll
  • Colum McGill
  • Colum Ó hUrthuile
  • Colum Whyte
  • Conall Mag Oireachtaigh
  • Conall McAleer
  • Conall McDermott
  • Conán McGettigan
  • Conán Ó Ciardhubháin
  • Conán O'Dwyer
  • Conchúr Garvey
  • Conchúr Mac an Bhaird
  • Conchúr Scannell
  • Conleth O'Halloran
  • Conor Brophy
  • Conor de Róiste
  • Conor O'Doherty
  • Conor Sexton
  • Cormac Fitzgerald
  • Cormac Ó Gallchóir
  • Cormac Waters
  • Criostóir McGlinchey
  • Criostóir O'Hagan
  • Cuán Buckley
  • Cuán Durkan
  • Cuán Ó Nualláin

D: 50 names

  • Dáire McGuigan
  • Dáire Ó Leathlobhair
  • Dáire O'Hara
  • Dáithí Boyle
  • Dáithí Gavin
  • Dáithí Mac Brádaigh
  • Dara Dwyer
  • Dara Ó Flaithearta
  • Dara O'Hanlon
  • Daragh Mannion
  • Daragh McNamara
  • Darragh Mac Cárthaigh
  • Darragh Ó Cléirigh
  • Darragh O'Reilly
  • Darragh Tangney
  • Deaglán McIlroy
  • Deaglán Ó Leannáin
  • Deaglán O'Keeffe
  • Declan Clarke
  • Declan de Paor
  • Declan Tynan
  • Dermot Flanagan
  • Dermot Hession
  • Dermot Ó Móráin
  • Diarmaid Mac Conmara
  • Diarmaid McKeever
  • Diarmaid O'Leary
  • Diarmuid Lynskey
  • Diarmuid Nolan
  • Diarmuid Ó Cinnéide
  • Domhnall Mac Diarmada
  • Domhnall McKiernan
  • Domhnall O'Loughlin
  • Dónal Culligan
  • Dónal Maguire
  • Dónal Ó Dálaigh
  • Donal Rowan
  • Donnacha McLoughlin
  • Donnacha Ó Cearbhaill
  • Donncha Mac Donnchadha
  • Donncha McLaughlin
  • Donncha O'Malley
  • Dougal McGowan
  • Dougal Woulfe
  • Dualta Gleeson
  • Dualta Ó hÍcidhe
  • Dualta Shaughnessy
  • Dubhán Mag Aonghusa
  • Dubhán McNulty
  • Dubhán O'Meara

E: 34 names

  • Eachann Mac Cionaoith
  • Eachann McSharry
  • Eachann O'Rourke
  • Eamon Lennon
  • Eamon Rooney
  • Éamonn Lennon
  • Éamonn Mangan
  • Éamonn Ó Fionnagáin
  • Éanna Dempsey
  • Éanna Flood
  • Éanna Ó Mathúna
  • Éibhear Mac Mathúna
  • Éibhear McSweeney
  • Éibhear O'Shea
  • Éimhín Diolún
  • Éimhín Hanrahan
  • Éimhín Sheehy
  • Emmet Fallon
  • Emmet Kelleher
  • Emmet Ó Gormáin
  • Enda Finnegan
  • Enda Kerrigan
  • Enda Ó Ceallacháin
  • Eoghan Darcy
  • Eoghan Ó Conaill
  • Eoghan O'Mahony
  • Eoin Lynch
  • Eoin Mac Suibhne
  • Eoin Ó Néill
  • Eoin Timoney
  • Evin Mac Eoin
  • Evin Noonan
  • Evin O'Connell
  • Ewan McHugh

F: 44 names

  • Faolán McTiernan
  • Faolán Ó Maonaigh
  • Faolán O'Toole
  • Feardorcha Harrington
  • Feardorcha Shortall
  • Fearghal Meaney
  • Fearghal Ó Muircheartaigh
  • Fearghal Phelan
  • Feidhlim Minogue
  • Feidhlim Ó Maolchathaigh
  • Feidhlim Prendergast
  • Fergal Cusack
  • Fergal Flynn
  • Fergal Ó Loingsigh
  • Fergus Grady
  • Fergus Killeen
  • Fergus Ó Laighin
  • Fiach Monaghan
  • Fiach Ó Deá
  • Fiach Purcell
  • Fiachra Deasy
  • Fiachra Ó Duinn
  • Fiachra Sheehan
  • Finbar Drennan
  • Finbar Foley
  • Finbar Mac Gearailt
  • Fintan Geraghty
  • Fintan Kilcoyne
  • Fintan Mac Aodhagáin
  • Fionn Ó Murchú
  • Fionn O'Connor
  • Fionn Sweeney
  • Fionnán Hartnett
  • Fionnán Ó Dobhailein
  • Fionnán Sinnott
  • Fionnbharr Moynihan
  • Fionnbharr Ó hEidirsceoil
  • Fionnbharr Quigley
  • Fionntán Mulholland
  • Fionntán Ó Duibhir
  • Fionntán Rafferty
  • Flann Mullally
  • Flann Ó hÁgáin
  • Flann Reidy

G: 9 names

  • Garrett Egan
  • Garrett Joyce
  • Garrett Ó Laochdha
  • Garvan Mulrooney
  • Garvan Ó hAllmhuráin
  • Garvan Riordan
  • Gearóid Fahy
  • Gearóid Kehoe
  • Gearóid Ó hÓgáin

H: 4 names

  • Henry Meagher
  • Henry O'Flaherty
  • Hugh Heaney
  • Hugh Mulligan

I: 6 names

  • Iarla Mulvey
  • Iarla Ó hEaghra
  • Iarla Scanlon
  • Iarlaith Finucane
  • Iarlaith Ó Dufaigh
  • Iarlaith Power

J: 7 names

  • Jack Doherty
  • Jack O'Kane
  • James Hayden
  • James Mullins
  • Jarlath Hanlon
  • Jarlath Kirby
  • Jarlath Ó Maoláin

K: 13 names

  • Kane O'Carroll
  • Kealan Moore
  • Kealan Mulvihill
  • Keelan Mac an Ghabhann
  • Keelan Morrissey
  • Keelan Murray
  • Kevin Hanley
  • Kevin Ó Díomasaigh
  • Kieran Coughlan
  • Kieran Hoban
  • Kieran Ó Baoill
  • Killian Cronin
  • Killian Holohan

L: 20 names

  • Labhrás Lacey
  • Labhrás Lydon
  • Labhrás Ó Dúnaigh
  • Lasairian Hurley
  • Lasairian Ó Doibhilin
  • Lasairian Somers
  • Liam Halpin
  • Liam Ó Cuilinn
  • Liam O'Callaghan
  • Lochlainn Ferriter
  • Lochlainn Kearney
  • Lochlainn Ó Catháin
  • Lorcan Daly
  • Lorcan Ó Raghallaigh
  • Lorcan Troy
  • Lughaidh Murtagh
  • Lughaidh Ó Caoimh
  • Lughaidh Scully
  • Luke Callaghan
  • Luke O'Kelly

M: 40 names

  • Mahon Collins
  • Mahon O'Boyle
  • Mainchín Kiely
  • Mainchín Ó Daimhín
  • Mainchín Staunton
  • Máirtín Kinsella
  • Máirtín Ó Dúnlaing
  • Máirtín Stapleton
  • Maitiú Lalor
  • Maitiú Magee
  • Maitiú Ó Fathaigh
  • Malachy Forde
  • Malachy Hayes
  • Malachy Ó Síocháin
  • Mannix Brennan
  • Mannix Nagle
  • Manus Heffernan
  • Manus Larkin
  • Mánus Nally
  • Manus Ó Flannagáin
  • Mánus Ó Laoghaire
  • Mánus Shanahan
  • Marcas Neville
  • Marcas Ó Lochlainn
  • Marcas Sheridan
  • Mathúin Nevin
  • Mathúin Ó Máille
  • Mathúin Slattery
  • Micheál Gilmartin
  • Micheál Ó Cathasaigh
  • Micheál Regan
  • Muircheartach Ó Meadhra
  • Muircheartach O'Beirne
  • Muircheartach Stack
  • Muiris Higgins
  • Muiris Lavelle
  • Muiris Ó Cochláin
  • Murchadh Ó Ruairc
  • Murchadh O'Donoghue
  • Murchadh Tierney

N: 17 names

  • Naoise Fleming
  • Naoise Mag Uidhir
  • Naoise Roche
  • Neachtan Lawlor
  • Neachtan Ó Dubhagáin
  • Neachtan Sugrue
  • Neasán Ó Séaghdha
  • Neasán O'Dowd
  • Neasán Tobin
  • Neil O'Flynn
  • Neil Whelan
  • Niall Cotter
  • Niall Keane
  • Niall Ó Cuinn
  • Nollaig Ó Tuathail
  • Nollaig O'Gara
  • Nollaig Treacy

O: 15 names

  • Odhrán Desmond
  • Odhrán Farrell
  • Odhrán Looney
  • Odhrán Ó Braonáin
  • Oisín Byrne
  • Oisín Mac Fhionnlaoich
  • Oisín Ó Briain
  • Oisín Spillane
  • Oran Connolly
  • Oran Mac Aodha
  • Oran Naughton
  • Oscar O'Hehir
  • Oscar Puirséil
  • Oscar Twomey
  • Ossian McInerney

P: 27 names

  • Pádraic Ó Raithbheartaigh
  • Pádraic Prunty
  • Pádraic Wall
  • Pádraig Ó Buachalla
  • Pádraig Quinn
  • Padraig Ruane
  • Páidí Ó Coigligh
  • Páidí O'Higgins
  • Páidí Tuohy
  • Patrick Hassett
  • Patrick Lyons
  • Patrick Mac Craith
  • Peadar Gibbons
  • Peadar Kenny
  • Peadar Ó Meachair
  • Phelim McKeown
  • Phelim Ó Maoileoin
  • Phelim Walsh
  • Piaras Horan
  • Piaras Lavin
  • Piaras Ó Cróinín
  • Pierce Mac Amhlaoibh
  • Pierce McManus
  • Pierce Ryan
  • Proinsias Keating
  • Proinsias Loftus
  • Proinsias Ó Cruadhlaoich

R: 31 names

  • Réamonn Kirwan
  • Réamonn Lonergan
  • Réamonn Ó Donnabháin
  • Redmond Hennessy
  • Redmond Lanigan
  • Redmond Ó Dubhshláine
  • Rian Friel
  • Rian McGrath
  • Rian Ó Fearghail
  • Ríoghnán Ó Ríordáin
  • Ríoghnán Queally
  • Ríoghnán Ward
  • Rogan Hughes
  • Rogan O'Byrne
  • Ronan Crowley
  • Rónán Dunne
  • Ronan Houlihan
  • Ronan Ó Cionnaith
  • Rónán Ó Dubhghaill
  • Rónán Tully
  • Rory Donovan
  • Rory Hynes
  • Rory Ó Riagáin
  • Ross Downey
  • Ross Jennings
  • Ruaidhrí Hickey
  • Ruaidhrí Ó Scannláin
  • Ruaidhrí Quirke
  • Ruairí Costello
  • Ruairí Kavanagh
  • Ruairí Ó Muireadhaigh

S: 26 names

  • Séamus Burke
  • Séamus Ó Catharnaigh
  • Seamus Savage
  • Seán de Barra
  • Seán Grogan
  • Seán Hogan
  • Seanán Dillon
  • Seanán Ó Scolaidhe
  • Seanán Reilly
  • Senan Casey
  • Senan Dorgan
  • Senan Ó hAodha
  • Setanta Dolan
  • Setanta Ó Seanacháin
  • Setanta Reynolds
  • Shane Guerin
  • Shane O'Gorman
  • Shay Kennedy
  • Shay Mag Aoidh
  • Shay Molloy
  • Somhairle Devlin
  • Somhairle Ó Sirideáin
  • Somhairle Rice
  • Sorley Mac Cába
  • Sorley McNally
  • Sorley O'Neill

T: 25 names

  • Tadhg Ó Súilleabháin
  • Tadhg O'Sullivan
  • Teague Doyle
  • Teague Mac Cormaic
  • Teague McQuaid
  • Tiarnán Devine
  • Tiarnán Ó Slatara
  • Tiarnán Rigney
  • Tiernan de Búrca
  • Tiernan Devaney
  • Tiernan Fitzpatrick
  • Tierney Gallagher
  • Tierney Meehan
  • Toirdhealbhach Dowling
  • Toirdhealbhach Ó Tighearnaigh
  • Toirdhealbhach Roddy
  • Tomás Glynn
  • Tomás Leahy
  • Tomás Ó Foghlú
  • Tuathal Duggan
  • Tuathal Rohan
  • Tuathal Tóibín
  • Turlough Furlong
  • Turlough Moran
  • Turlough Ó Faoláin

U: 9 names

  • Uilliam Feeney
  • Uilliam Ó Treasaigh
  • Uilliam Ronayne
  • Ultan Barry
  • Ultan Dunphy
  • Ultán Fogarty
  • Ultan Ó hÉalaithe
  • Ultán Ó Tuama
  • Ultán Rossiter