Surnames of Irish Origin

4,666 surnames found of Irish origin

Gaffaney
The surname Gaffaney is of Irish origin and is derived from the Gaelic name Ó Gafáin, meaning "descendant of Gafán." The name Gafán itself is believed to be derived from the word "gafa," meaning "c......
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Gaffey
The surname Gaffey is of Irish origin and is derived from the Gaelic name "Ó Gáibhtheach," meaning "descendant of Gáibhtheach." The name Gáibhtheach is believed to be derived from the word "gáibhth......
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Gaffigan
The surname Gaffigan is of Irish origin and is derived from the Gaelic name "Ó Gáibhtheacháin," meaning "descendant of Gáibhtheachán." The name Gáibhtheachán is composed of the elements "gáibhtheac......
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Gaffney
The surname Gaffney is of Irish origin and is derived from the Gaelic name Ó Gamhna, meaning "descendant of Gamhain." Gamhain is a personal name derived from the word "gamhan," which translates to ......
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Gaffrey
The surname Gaffrey is of Irish origin and is derived from the Gaelic name "Ó Gafraidh," meaning "descendant of Gafraidh." The name Gafraidh itself is a variant of the name Geoffrey, which is of Ge......
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Gafney
The surname Gafney is of Irish origin and is derived from the Gaelic name Ó Gáibhtheacháin, meaning "descendant of Gáibhtheachán." The name Gáibhtheachán is believed to be derived from the Gaelic w......
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Gageby
The surname Gageby is of Irish origin and is derived from the Gaelic name "Ó Gáibhtheacháin," meaning "descendant of Gáibhtheachán." The name Gáibhtheachán is composed of the elements "gáibhtheach,......
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Gagen
The surname Gagen is of Irish origin and is derived from the Gaelic name "Ó Gáigín," meaning "descendant of Gáigín." The name Gáigín is a diminutive form of the personal name Gáig, which is believe......
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Gaghan
The surname Gaghan is of Irish origin and is derived from the Gaelic word "gagáin," meaning "calf." It is believed to have originally been a nickname for someone who resembled or had characteristic......
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Gahagan
The surname Gahagan is of Irish origin and is derived from the Gaelic name "Ó Gadhagáin," meaning "descendant of Gadagán." The name Gadagán is believed to be a personal name derived from the word "......
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Surnames of Irish Origin

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