Surnames of Irish Origin

4,666 surnames found of Irish origin

Corron
The surname Corron is of Irish origin and is derived from the Gaelic name Ó Corráin, meaning "descendant of Corrán." The name Corrán itself is derived from the word "corr," which means "spear." The......
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Corry
The surname Corry is of Irish origin and is derived from the Gaelic name "O'Comhraidhe," meaning "descendant of Comhraidhe." The name Comhraidhe itself is derived from the word "comhradh," which me......
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Cosgrave
The surname Cosgrave is of Irish origin and is derived from the Gaelic name "Mac Coscraigh," meaning "son of Coscrach." The name Coscrach is believed to be a personal name derived from the word "co......
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Cosgriff
The surname Cosgriff is of Irish origin and is derived from the Gaelic name "Mac Osraige," meaning "son of Osraige." Osraige was the name of an ancient kingdom in Ireland, and the surname Cosgriff ......
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Cosgro
The surname Cosgro is of Irish origin and is derived from the Gaelic name "Mac Osraige," meaning "son of Osraighe." Osraighe was the name of an ancient kingdom located in present-day County Kilkenn......
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Cosgrove
The surname Cosgrove is of Irish origin and is derived from the Gaelic name Mac Coscraigh, meaning "son of Coscrach." The name Coscrach is believed to have originated from the Gaelic word "cos," me......
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Coskey
The surname Coskey is of Irish origin and is derived from the Gaelic name Mac Oisdealbhaigh, meaning "son of Oisdealbhach." The name Oisdealbhach is composed of the elements "os," meaning "deer," a......
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Costello
The surname Costello is of Irish origin and is derived from the Gaelic name "Mac Oisdealbhaigh," meaning "son of Oisdealbhach." The name Oisdealbhach is composed of the elements "os," meaning "deer......
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Costelloe
The surname Costelloe is of Irish origin and is derived from the Gaelic name "Mac Oisdealbhaigh," meaning "son of Oisdealbhach." The name Oisdealbhach itself is believed to be derived from the Old ......
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Costigan
The surname Costigan is of Irish origin and is derived from the Gaelic name "Mac Oisdealbhaigh," meaning "son of Oisdealbhach." The name Oisdealbhach is composed of the elements "os," meaning "deer......
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Surnames of Irish Origin

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