Surnames of Irish Origin

4,666 surnames found of Irish origin

Gilday
The surname Gilday is of Irish origin and is derived from the Gaelic name Mac Giolla Dé, meaning "son of the servant of God." It is a patronymic surname, indicating that it was originally used to i......
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Gildea
The surname Gildea is of Irish origin and is derived from the Gaelic name Mac Giolla Dé, meaning "son of the servant of God." It is a patronymic surname, indicating descent from a male ancestor who......
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Gilfeather
The surname Gilfeather 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 k......
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Gilfilen
The surname Gilfilen 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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Gilfoil
The surname Gilfoil is of Irish origin and is derived from the Gaelic name "Mac Giolla Phóil," meaning "son of the servant of St. Paul." The name suggests an ancestral connection to someone who was......
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Gilfoy
The surname Gilfoy is of Irish origin and is derived from the Gaelic name Mac Giolla Phóil, meaning "son of the servant of St. Paul." It is a patronymic surname, indicating descent from an ancestor......
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Gilgallon
The surname Gilgallon is of Irish origin and is derived from the Gaelic name Mac Giolla Ghallchobhair, meaning "son of the servant of St. Gallchobhair." The name Gallchobhair is a combination of th......
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Gilgan
The surname Gilgan is of Irish origin and is derived from the Gaelic name "Mac Giolla Gáin," meaning "son of the servant of St. Gáin." The name Gáin is believed to be a personal name derived from t......
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Gilhool
The surname Gilhool is of Irish origin and is derived from the Gaelic name Mac Giolla Choille, meaning "son of the servant of the woods." It is believed to have originated in County Donegal, Irelan......
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Gilhooley
The surname Gilhooley is of Irish origin and is derived from the Gaelic name Mac Giolla Thúile, meaning "son of the servant of the will." It is a patronymic surname, indicating that it was original......
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Gilhooly
The surname Gilhooly is of Irish origin and is derived from the Gaelic name "Mac Giolla Chomhghaill," meaning "son of the servant of St. Comhghall." The name suggests a connection to a person who s......
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Gilhuly
The surname Gilhuly is of Irish origin and is derived from the Gaelic name "Mac Giolla Chuille," meaning "son of the servant of St. Mochua." The name is associated with County Clare in Ireland and ......
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Gillahan
The surname Gillahan is of Irish origin and is derived from the Gaelic name Mac Giolla Chainnigh, meaning "son of the servant of St. Canice." It is a patronymic surname, indicating descent from an ......
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Gillan
The surname Gillan is of Scottish and Irish origin. It is derived from the Gaelic name Mac Gille Fhaoláin, meaning "son of the servant of St. Faolán." The name Faolán is a diminutive of the Irish w......
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Gillece
The surname Gillece is of Irish origin and is derived from the Gaelic name Mac Giolla Iosa, meaning "son of the servant of Jesus." It is a patronymic surname, indicating descent from a male ancesto......
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Gilleece
The surname Gilleece is of Irish origin and is derived from the Gaelic name Mac Giolla Iosa, meaning "son of the servant of Jesus." The name suggests a religious association, indicating that the or......
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Gillen
The surname Gillen is of Irish origin and is derived from the Gaelic name "Ó Giolláin," meaning "descendant of Giollán." The name Giollán is a diminutive form of the personal name Giolla, which tra......
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Gillens
The surname Gillens is of Irish origin and is derived from the Gaelic name Mac Giolla Eoin, meaning "son of the servant of John." The name John in this context refers to the biblical figure John th......
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Gilleran
The surname Gilleran is of Irish origin and is derived from the Gaelic name Mac Giolla Riabhaigh, meaning "son of the servant of Riabhach." Riabhach is a personal name that translates to "brindled"......
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Gilleylen
The surname Gilleylen 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, and the nam......
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Surnames of Irish Origin

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