Surnames of Irish Origin

4,666 surnames found of Irish origin

Cahoe
The surname Cahoe is of Irish origin and is derived from the Gaelic name "Mac Eachaidh," meaning "son of Eachaidh." Eachaidh is a personal name derived from the word "each," which means "horse." Th......
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Cahoon
The surname Cahoon is of Irish origin and is derived from the Gaelic name "Ó Catháin," meaning "descendant of Cathán." The name Cathán is believed to be derived from the word "cath," meaning "battl......
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Cahoone
The surname Cahoone is of Irish origin and is derived from the Gaelic name "Ó Catháin," meaning "descendant of Cathán." The name Cathán is believed to be derived from the word "cath," meaning "batt......
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Caid
The surname Caid is of Irish origin and is derived from the Gaelic word "cadh," meaning "battle." It is believed to have originated as a nickname for someone who was fierce or warlike. The name Cai......
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Cain
The surname Cain is of Irish origin and is derived from the Gaelic name "Ó Catháin," meaning "descendant of Cathán." The name Cathán is believed to be derived from the word "cath," meaning "battle.......
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Cainion
The surname Cainion is of Irish origin and is derived from the Gaelic name Ó Catháin, meaning "descendant of Cathán." The name Cathán itself is believed to be derived from the word "cath," meaning ......
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Cairy
The surname Cairy is of Irish origin and is derived from the Gaelic name "Ó Ciardha," meaning "descendant of Ciardha." The name Ciardha itself is derived from the word "ciar," which means "dark" or......
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Caise
The surname Caise is of Irish origin and is derived from the Gaelic name "Mac Cathasaigh," meaning "son of Cathasach." The name Cathasach is derived from the word "cathasach," which means "vigilant......
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Calahan
The surname Calahan is of Irish origin and is derived from the Gaelic name Ó Ceallacháin, meaning "descendant of Ceallachán." Ceallachán is a diminutive form of the personal name Ceallach, which tr......
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Calavan
The surname Calavan is of Irish origin and is derived from the Gaelic name Ó Cailebháin, meaning "descendant of Cailebhán." The name Cailebhán is a diminutive form of the personal name Cailean, whi......
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Califf
The surname Califf is of Irish origin and is derived from the Gaelic name "Mac Giolla Chathail," meaning "son of the servant of Cathal." The name Cathal is a personal name of ancient Irish origin, ......
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Calihan
The surname Calihan 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 Gaelic name Cathal, which mea......
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Call
The surname Call is of Scottish and Irish origin, derived from the Gaelic word "cahal" or "cathal," meaning "battle" or "mighty warrior." It is a patronymic surname, indicating that it was original......
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Callaghan
The surname Callaghan is of Irish origin and is derived from the Gaelic name Ó Ceallacháin, meaning "descendant of Ceallachán." The name Ceallachán is a diminutive form of the Gaelic word "ceallach......
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Callagy
The surname Callagy is of Irish origin and is derived from the Gaelic name Ó Ceallaigh, meaning "descendant of Ceallach." Ceallach is a personal name that translates to "bright-headed" or "war-like......
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Callaham
The surname Callaham is of Irish origin and is derived from the Gaelic name Ó Ceallacháin, meaning "descendant of Ceallachán." Ceallachán is a diminutive form of the personal name Ceallach, which t......
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Callahan
The surname Callahan is of Irish origin and is derived from the Gaelic name Ó Ceallacháin, meaning "descendant of Ceallachán." The name Ceallachán is a diminutive form of the Gaelic word "ceallach,......
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Callan
The surname Callan is of Irish origin and is derived from the Gaelic word "Ó Cathaláin," meaning "descendant of Cathalán." Cathalán is a diminutive form of the personal name Cathal, which means "ba......
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Callanan
The surname Callanan is of Irish origin and is derived from the Gaelic name Ó Callanáin, meaning "descendant of Callanán." The name Callanán is believed to be a diminutive form of the personal name......
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Callans
The surname Callans 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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Surnames of Irish Origin

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