Surnames of Gaelic Origin

8,379 surnames found of Gaelic origin

Coo
The surname Coo is of Scottish origin and is derived from the Gaelic word "cu," meaning "hound" or "dog." It is a topographic or occupational surname, typically given to someone who lived or worked......
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Coody
The surname Coody is of Scottish origin and is derived from the Gaelic word "cuidhe" meaning "help" or "assistance." It is believed to have originated as a nickname for someone who was helpful or s......
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Cooey
The surname Cooey is of Irish origin and is derived from the Gaelic name "Mac Dhuibhshíthe," meaning "son of the dark fairy." It is believed to have originated from County Clare in Ireland. The nam......
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Coogan
The surname Coogan is of Irish origin and is derived from the Gaelic name "MacCogadhain," meaning "son of Cogadhain." The name Cogadhain is believed to be derived from the word "cogadh," which mean......
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Coogler
The surname Coogler is of Scottish origin and is derived from the Gaelic word "cù glèidhir," which means "watchful dog." It is a descriptive surname that likely originated as a nickname for someone......
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Coolahan
The surname Coolahan is of Irish origin and is derived from the Gaelic name Ó Cúlacháin, which means "descendant of Cúlachán." The name Cúlachán is believed to be a diminutive form of the Gaelic wo......
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Cooley
The surname Cooley is of Irish origin and is derived from the Gaelic name Ó Cuilleannáin, meaning "descendant of Cuilleannán." The name Cuilleannán is a diminutive form of the Gaelic word "cuileann......
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Coolican
The surname Coolican is of Irish origin and is derived from the Gaelic name Ó Cúilghinn, which means "descendant of Cúilghinn." The name Cúilghinn itself is believed to be a personal name derived f......
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Coolong
The surname Coolong is of Irish origin and is derived from the Gaelic name Ó Cúláin, meaning "descendant of Cúláin." The name Cúláin is believed to be derived from the word "cúl," meaning "back" or......
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Coomey
The surname Coomey is of Irish origin and is derived from the Gaelic name "Ó Comhaidh," meaning "descendant of Comhaidh." The name itself is believed to have originated from the word "comhaidh," wh......
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Surnames of Gaelic Origin

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