Surnames of Irish Origin

4,666 surnames found of Irish origin

Colhoun
The surname Colhoun is of Irish origin and is derived from the Gaelic name Ó Cathaláin, meaning "descendant of Cathalán." The name Cathalán is a diminutive form of the personal name Cathal, which m......
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Coligan
The surname Coligan is of Irish origin and is derived from the Gaelic name Ó Coileagáin, which means "descendant of Coileagán." Coileagán is a diminutive form of the word "coileach," meaning "cock"......
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Colin
The surname Colin is of Scottish and Irish origin. It is derived from the Gaelic personal name "Cailean," which means "young pup" or "whelp." The name was often given to a young warrior or a young ......
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Coll
The surname Coll is of Scottish and Irish origin. It is derived from the Gaelic word "colla" which means "hazel tree." The name likely originated as a topographic or locational surname, referring t......
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Colleary
The surname Colleary is of Irish origin and is derived from the Gaelic name Ó Collaire, meaning "descendant of Collaire." The name Collaire itself is believed to be derived from the word "coll," me......
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Colleran
The surname Colleran is of Irish origin and is derived from the Gaelic name Ó Collaigh Mhearáin, meaning "descendant of Colla the Mariner." The name Colla is believed to have originated from the wo......
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Colligan
The surname Colligan is of Irish origin and is derived from the Gaelic name Ó Coileagáin, which means "descendant of Coileagán." Coileagán is a diminutive form of the word "coileach," meaning "cock......
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Collin
The surname Collin is of Scottish and Irish origin, derived from the Gaelic name "MacCuilinn," meaning "son of Cuileann." Cuileann is a personal name that translates to "holly" in English. The surn......
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Collins
The surname Collins is of English and Irish origin. It is derived from the personal name Colin, which itself is a diminutive form of Nicholas. The name Nicholas comes from the Greek name Nikolaos, ......
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Collon
The surname Collon is of Irish origin and is derived from the Gaelic name Ó Coileáin, meaning "descendant of Coileán." Coileán is a personal name derived from the word "coile," which means "whelp" ......
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Surnames of Irish Origin

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