Surnames of Irish Origin

4,666 surnames found of Irish origin

Geary
The surname Geary is of Irish origin and is derived from the Gaelic name "Ó Gadhra," meaning "descendant of Gadhra." The name Gadhra itself is believed to have originated from the word "gadhar," wh......
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Geegan
The surname Geegan is of Irish origin and is derived from the Gaelic name "Ó Gaoithín," meaning "descendant of Gaoithín." The name Gaoithín itself is derived from the word "gaoth," meaning "wind." ......
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Geehan
The surname Geehan is of Irish origin and is derived from the Gaelic name Ó Géibheannaigh, meaning "descendant of Géibheannach." The name Géibheannach is believed to be derived from the word "géibh......
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Geelan
The surname Geelan is of Irish origin and is derived from the Gaelic name Ó Géibheannaigh, meaning "descendant of Géibheannach." The name Géibheannach is believed to be derived from the word "géibh......
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Gegan
The surname Gegan is of Irish origin and is derived from the Gaelic name "Mac Aodhagáin," meaning "son of Aodhagán." Aodhagán is a diminutive form of the personal name Aodh, which means "fire" or "......
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Gehan
The surname Gehan is of Irish origin and is derived from the Gaelic name "Mac Géibheannaigh," meaning "son of Géibheannach." The name Géibheannach is believed to be derived from the word "géibheann......
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Geoghagan
The surname Geoghagan is of Irish origin and is derived from the Gaelic name "Ó Geoghegan," meaning "descendant of Geoghegan." The name Geoghegan itself is believed to be derived from the Gaelic wo......
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Geoghan
The surname Geoghan is of Irish origin and is derived from the Gaelic name "Mac Eochagáin," meaning "son of Eochagán." The personal name Eochagán is a diminutive form of Eochaidh, which means "hors......
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Geoghegan
The surname Geoghegan is of Irish origin and is derived from the Gaelic name "Ó Geoghegan," meaning "descendant of Geoghegan." The name Geoghegan itself is believed to be derived from the Gaelic wo......
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Geohagan
The surname Geohagan is of Irish origin and is derived from the Gaelic name "Ó hÓgáin," meaning "descendant of Ógán." The personal name Ógán is derived from the word "óg," meaning "young" or "young......
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Surnames of Irish Origin

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