Top Irish Last Names

Classic Irish surnames — their Gaelic roots, meanings, and rich family histories.

114 surnames found Page 1 of 3

Mcgrath

Anglicized form of Mac Craith.

Irish

Mcguire

Anglicized form of Mag Uidhir.

Irish

Curry

Irish surname from Ó Comhraidhe or related roots depending on line.

Irish

Mckenna

Anglicized form of Mac Cionnaith.

Irish

Mclaughlin

Anglicized form of Mac Lochlainn.

Irish

Brennan

From Gaelic roots often interpreted as descendant of a sorrowful or teardrop-...

Irish

Quinn

Anglicized form of Ó Cuinn.

Irish

Obrien

Anglicized form of Ó Briain.

Irish

Mcmahon

Anglicized form of Mac Mathghamhna.

Irish

Mcnamara

Anglicized form of Mac Conmara.

Irish

Oconnell

Anglicized form of Ó Conaill.

Irish

Oconnor

Anglicized form of Ó Conchobhair.

Irish

Odonnell

Anglicized form of Ó Domhnaill.

Irish

Grady

Anglicized form of Ó Grádaigh.

Irish

Joyce

Norman-Irish surname that became established in western Ireland.

Irish

Buckley

Anglicized Irish surname from Ó Buachalla, often linked to herdsman roots.

Irish

Burke

Norman surname introduced to Ireland, derived from borough or fortified place.

Irish

Tynan

Irish surname from O Teimhneain, meaning descendant of Teimhneán (dark or gre...

Irish

Raftery

Irish surname from O Reachtabhra, meaning descendant of Reachtabhra (decree w...

Irish

Clancy

Irish surname from Mac Fhlannchaidh, meaning son of Flannchadh (red warrior)....

Irish

McAuliffe

Irish surname from Mac Amhlaoibh, meaning son of Amhlaobh (the Gaelic form of...

Irish

Moynihan

Irish surname from O Muimhneachain, meaning descendant of the Munsterman. The...

Irish

O'Shea

Irish surname from O Séaghdha, meaning descendant of Séaghdha (fine or hawk-l...

Irish

McLoughlin

Irish surname from Mac Lochlainn, meaning son of Lochlann (land of the lakes ...

Irish

Cahill

Irish surname derived from O Cathail, meaning descendant of Cathal (strong in...

Irish

Sexton

Irish surname from O Seastnain, a Gaelicized form of the Anglo-Norman name de...

Irish

Forde

Irish surname from de Fuird, meaning of the ford. The name can be of both Gae...

Irish

Carroll

Irish surname from O Cearbhaill, meaning descendant of Cearbhall (fierce in b...

Irish

Treacy

Irish surname from O Treasaigh, meaning descendant of Treasach (fierce or war...

Irish

Horan

Irish surname from O hOdhrain, meaning descendant of Odhran (pale green or sa...

Irish

Fahy

Irish surname from O Fathaigh, meaning descendant of Fathadh (foundation or b...

Irish

Murtagh

Irish surname from O Muircheartaigh, meaning descendant of Muircheartach (ski...

Irish

Quinlan

Irish surname from O Caoindealbhain, meaning descendant of Caoindealbhan (gra...

Irish

Roche

Irish surname from de Róiste, a Gaelicized form of the Norman-French name de ...

Irish

Donnelly

Irish surname from O Donnghalaigh, meaning descendant of Donnghal (brown valo...

Irish

Daly

Irish surname from O Dalaigh, meaning descendant of Dalach (one who attends a...

Irish

Rooney

Irish surname from O Ruanaidh, meaning descendant of Ruanadh (champion or her...

Irish

Tobin

Irish surname from Toibin, a Gaelicized form of the Anglo-Norman name St. Aub...

Irish

Loughlin

Irish surname from O Lochlainn, meaning descendant of Lochlann (land of the l...

Irish

Corcoran

Irish surname from O Corcrain, meaning descendant of Corcran (purple or ruddy...

Irish

Kearney

Irish surname from O Cearnaigh, meaning descendant of Cearnach (victorious). ...

Irish

Mulligan

Irish surname from O Maolagain, meaning descendant of Maolagán (little bald o...

Irish

Keating

Irish surname from O Ceitinn, meaning descendant of Ceitin. The most famous b...

Irish

Larkin

Irish surname from O Lorcain, meaning descendant of Lorcan (fierce or cruel)....

Irish

Regan

Irish surname from O Riagain, meaning descendant of Riagan (little king). The...

Irish

Molloy

Irish surname from O Maol Aodha, meaning descendant of the devotee of Saint A...

Irish

Tierney

Irish surname from O Tighearnaigh, meaning descendant of Tighearnach (lordly)...

Irish

Kelleher

Irish surname from O Ceileachair, meaning descendant of Ceileachar (companion...

Irish

McDonagh

Irish surname from Mac Donnchadha, meaning son of Donnchadh (brown warrior). ...

Irish

McCabe

Irish surname from Mac Caba, meaning son of Caba (cape or hood). The McCabes ...

Irish

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About Irish surnames

Irish surnames often begin with O' (grandson of) or Mac (son of), reflecting ancient Gaelic patronymic traditions.