Irish Surnames

Explore Irish last names — their meanings, origins, and famous bearers.

114 surnames found Page 2 of 3

McCann

Irish surname from Mac Cana, meaning son of Cana (wolf cub). The McCann sept ...

Irish

McGowan

Irish surname from Mac an Ghabhann, meaning son of the smith. The name refers...

Irish

Brennan

Irish surname from O Braonain, meaning descendant of Braonain (sorrow or mois...

Irish

Gallagher

Irish surname from O Gallchobhair, meaning descendant of the foreign helper. ...

Irish

Byrne

Anglicized form of Ó Broin, descendant of Bran.

Irish

Doherty

Irish surname from O Dochartaigh, meaning descendant of the hurtful one or ob...

Irish

Lynch

Surname of Norman and Gaelic use in Ireland, strongly associated with Galway.

Irish

Donovan

Anglicized form of Ó Donnabháin, descendant of Donnabhán.

Irish

Murphy

From Gaelic meaning sea warrior in common interpretation.

Irish

Flanagan

Irish surname from O Flannagain, meaning descendant of the ruddy or red one. ...

Irish

Lyons

Irish and English surname derived from lion-related nickname or Norman place ...

Irish

Kelly

From Gaelic roots often interpreted as bright-headed or warrior-like.

Irish

Higgins

Irish surname from O hUigin, meaning descendant of the Viking. One of Ireland...

Irish

Doyle

Anglicized form of Ó Dubhghaill, descendant of the dark foreigner.

Irish

Collins

Often interpreted as descendant of Coileán or derived from Nicholas in some l...

Irish

Sweeney

Irish surname from Mac Suibhne, meaning son of the pleasant one. Originally a...

Irish

Oneill

Anglicized form of Ó Néill.

Irish

Callahan

Anglicized form of Ó Ceallacháin, descendant of Ceallachán.

Irish

Sullivan

From Gaelic roots often interpreted as dark-eyed or hawk-eyed.

Irish

Nolan

Irish surname from O Nuallain, meaning descendant of the noble or famous one....

Irish

Reilly

Anglicized form of Ó Raghallaigh.

Irish

Kavanagh

Anglicized form of Caomhánach, linked to a historic Leinster dynasty.

Irish

Power

Irish surname of Norman-French origin meaning poor or humble, but became one ...

Irish

Duffy

Anglicized form of Ó Dubhthaigh, descendant of Dubhthach.

Irish

Duffy

Irish surname from O Dubhthaigh, meaning descendant of the dark one. Original...

Irish

Keane

Anglicized surname from Ó Catháin or related Gaelic roots depending on family...

Irish

Cannon

Occupational or anglicized surname with several Irish and English origins.

Irish

Maher

Irish surname from O Meachair, meaning the kindly or hospitable one. Primaril...

Irish

Dunn

Descriptive surname meaning brown or dark in Gaelic traditions.

Irish

Connolly

Irish surname from O Conghaile, meaning descendant of the fierce as a hound. ...

Irish

Carey

Irish surname from Ó Ciardha, descendant of Ciardha.

Irish

Hennessy

Irish surname from O hAonghusa, meaning descendant of Angus (one choice). The...

Irish

Carney

Anglicized Gaelic surname with warrior-related interpretations in some lines.

Irish

Sheridan

Irish surname from O Sirideain, meaning descendant of the searcher or seeker....

Irish

Riley

Anglicized Irish surname from Ó Raghallaigh or English place roots depending ...

Irish

Madden

Anglicized form of Ó Madáin.

Irish

Maguire

Irish surname from Mag Uidhir, meaning son of the pale or dun-colored one. Th...

Irish

Casey

Irish surname from Ó Cathasaigh, descendant of Cathasach.

Irish

Delaney

Irish surname from O Dubhslaine, meaning descendant of the dark challenger. O...

Irish

Coleman

Derived from a personal name meaning dove or associated with saintly naming t...

Irish

Mahoney

Anglicized form of Ó Mathghamhna.

Irish

Hayes

Derived from Gaelic roots meaning descendant of Aodh, with links to fire.

Irish

Mooney

Anglicized form of Ó Maonaigh.

Irish

Kennedy

From Gaelic roots often interpreted as helmeted head or misshapen head in old...

Irish

Moran

Anglicized form of Ó Móráin.

Irish

Malone

Anglicized Irish surname tied to a devotee or follower lineage in some interp...

Irish

Healy

Anglicized Gaelic surname with several roots tied to ingenuity or claim.

Irish

Mannion

Irish surname from Ó Mainnín.

Irish

Farrell

Anglicized form of Ó Fearghail, descendant of Fearghal.

Irish

Barry

Historic surname of Norman-Irish origin, sometimes linked to spear.

Irish

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About Irish surnames

Irish surnames often reflect geography, occupation, ancestry, or personal characteristics from centuries of cultural history.