Surnames of Irish Origin

4,666 surnames found of Irish origin

Gillfillan
The surname Gillfillan is of Scottish origin and is derived from the Gaelic name Mac Gille Fhaolain, meaning "son of the servant of St. Fillan." St. Fillan was a 7th-century Irish saint who was kno......
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Gillick
The surname Gillick is of Irish origin and is derived from the Gaelic name Mac Giolla Eóin, meaning "son of the servant of John." The name originated from the personal name Eóin, which is the Irish......
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Gilligan
The surname Gilligan is of Irish origin and is derived from the Gaelic name "Mac Giolla Ghain," meaning "son of the servant of St. Canice." The name is associated with County Donegal in Ireland and......
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Gillihan
The surname Gillihan is of Irish origin and is derived from the Gaelic name Mac Giolla Chainnigh, meaning "son of the servant of St. Canice." The name Canice refers to an early Irish saint, and the......
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Gillilan
The surname Gillilan is of Scottish origin and is derived from the Gaelic name Mac Gille Fhaolain, meaning "son of the servant of St. Fillan." The name Fillan is associated with a 7th-century Irish......
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Gillis
The surname Gillis is of Scottish and Irish origin, derived from the Gaelic name "Mac Gille Iosa," meaning "son of the servant of Jesus." It is a patronymic surname, indicating descent from a male ......
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Gillogly
The surname Gillogly is of Irish origin and is derived from the Gaelic name Mac Giolla Ghuile, meaning "son of the servant of the pledge." The name likely originated as a patronymic surname, indica......
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Gillooley
The surname Gillooley is of Irish origin and is derived from the Gaelic name Mac Giolla Luaith, meaning "son of the servant of the calf." It is a patronymic surname, indicating that it was original......
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Gillooly
The surname Gillooly is of Irish origin and is derived from the Gaelic name Mac Giolla Uidhir, meaning "son of the pale-haired servant." It is a patronymic surname, indicating descent from a male a......
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Gillpatrick
The surname Gillpatrick is of Scottish origin and is derived from the Gaelic name Mac Giolla Phádraig, meaning "son of the servant of St. Patrick." The name suggests an ancestral connection to some......
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Surnames of Irish Origin

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