Surnames of Gaelic Origin

8,379 surnames found of Gaelic origin

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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Cosh
The surname Cosh is of Scottish origin and is derived from the Gaelic word "cos," meaning "foot." It is believed to have originated as a nickname for someone with a distinctive or peculiar foot, or......
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Coshatt
The surname Coshatt is of Scottish 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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Cosker
The surname Cosker is of Scottish origin and is derived from the Gaelic word "cosgar," meaning "victorious" or "triumphant." It is a descriptive surname that likely originated as a nickname for som......
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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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Cossar
The surname Cossar is of Scottish origin and is derived from the Gaelic word "cosair," meaning "pirate" or "corsair." It is believed to have been a nickname given to someone who displayed character......
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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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Costine
The surname Costine is of Irish origin and is derived from the Gaelic name Mac Oistin, meaning "son of Austin." The name Austin itself is derived from the Latin name Augustinus, meaning "venerable"......
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Cothern
The surname Cothern is of Scottish origin and is derived from the Gaelic name "Mac Oitirn," meaning "son of Oitirn." The name Oitirn is believed to be a personal name of uncertain origin. Over time......
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Cothran
The surname Cothran is of Scottish origin and is derived from the Gaelic personal name "Cathair," meaning "battle fort." It is believed to have originated as a nickname for someone who lived near o......
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Cothrum
The surname Cothrum is of Scottish origin and is derived from the Gaelic word "còmhradh," meaning "conversation" or "discussion." It is believed to have originated as a nickname for someone who was......
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Cotie
The surname Cotie is of Scottish origin and is derived from the Gaelic word "coiteim," meaning "to cut" or "to trim." It is believed to have originated as an occupational name for someone who worke......
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Cotter
The surname Cotter is of English and Irish origin. In English, it is derived from the Middle English word "cotter," which referred to a tenant who occupied a cottage or small dwelling on a larger e......
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Couden
The surname Couden is of Scottish origin and is derived from the Gaelic word "cùdan," meaning "little dog." It is believed to have been a nickname given to someone who had characteristics or traits......
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Couey
The surname Couey is of Irish origin and is derived from the Gaelic name "Mac Aodha," meaning "son of Aodh." Aodh is a given name that translates to "fire" or "fiery." The name Couey signifies a de......
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Cough
The surname Cough is of Irish origin and is derived from the Gaelic word "cath" meaning "battle." It is believed to have originated as a nickname for a warrior or someone with a fierce or combative......
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Coughanour
The surname Coughanour is of Irish origin and is derived from the Gaelic name "Ó Cocháin," meaning "descendant of Cochán." Cochán is a personal name derived from the word "coch," which means "red."......
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Coughenour
The surname Coughenour is of Irish origin and is derived from the Gaelic name "Mac Eochadha," meaning "son of Eochaidh." Eochaidh is an ancient Irish personal name derived from the elements "eo," m......
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Surnames of Gaelic Origin

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