Origins & naming traditions

Irish surnames

Explore family names with Irish linguistic roots and naming traditions. Discover their meanings, spelling variations, and historical sources, then find a starting point for your own research.

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Showing 1–12 of 28 profiles

  • Surname profile

    Bowen

    The Bowen surname has dual Celtic origins: Welsh, meaning ‘son of Owen’ (noble), and Irish, meaning ‘descendant of Bohan’ (victorious). It is a patronymic surname that appears in…

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  • Surname profile

    Brown

    The surname Brown is a descriptive nickname first recorded in the 11th century, with documented origins in England, Scotland, and Ireland. In each tradition it arose independently, meaning…

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  • Surname profile

    Byrne

    The surname Byrne is primarily an Irish patronymic meaning “descendant of Bran” (raven). It also has an English variant derived from Berne or Burn. The name has multiple…

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  • Surname profile

    Clark

    The surname Clark derives from the Old English occupational name for a clerk or scribe, ultimately from Latin clericus. It is also used as an anglicized form of…

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  • Surname profile

    Doyle

    The surname Doyle is of Irish origin, derived from the Gaelic patronymic Ó Dubhghaill meaning “descendant of Dubhghall.” The personal name combines the elements dubh “black” and gall “stranger,”…

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  • Surname profile

    Duffy

    The surname Duffy is an Irish patronymic meaning “descendant of Dubthach,” a personal name derived from the Old Irish word for black. The name is widespread in Ireland…

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  • Surname profile

    Gallagher

    Gallagher is an Irish surname derived from the Gaelic Ó Gallchobhair, meaning ‘descendant of the foreign helper’. The name was anglicized in the 10th‑century surname convention and has many…

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  • Surname profile

    Hughes

    The surname Hughes is a patronymic name meaning "son of Hugh" that originates in both Welsh and Irish traditions. It also has a French‑Picard variant. Distribution is strongest…

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