Surnames of Irish Origin

4,666 surnames found of Irish origin

Caslin
The surname Caslin is of Irish origin and is derived from the Gaelic name "Mac Cathailín," meaning "son of Cathalán." The name Cathalán is a diminutive form of the personal name Cathal, which means......
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Cassady
The surname Cassady is of Irish origin and is derived from the Gaelic name Ó Caiside, meaning "descendant of Caiside." The name Caiside is believed to have originated from the word "cas," which mea......
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Cassedy
The surname Cassedy is of Irish origin and is derived from the Gaelic name Ó Caiside, meaning "descendant of Caiside." The name Caiside is believed to have originated from the word "cas," which mea......
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Casserly
The surname Casserly is of Irish origin and is derived from the Gaelic name Ó Caiside, meaning "descendant of Caiside." The name Caiside is believed to have originated from the word "cas," which me......
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Cassick
The surname Cassick is of Irish origin and is derived from the Gaelic name "Mac Ascaidh," meaning "son of Ascaidh." The name Ascaidh is believed to be a variant of the name Oscar, which itself mean......
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Cassida
The surname Cassida is of Irish origin and is derived from the Gaelic name "Mac Asgaidh," meaning "son of Asgaidh." Asgaidh is a personal name that is believed to have originated from the word "asg......
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Cassiday
The surname Cassiday is of Irish origin and is derived from the Gaelic name Ó Caiside, meaning "descendant of Caiside." The name Caiside is believed to have originated from the word "cas," which me......
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Cassidy
The surname Cassidy is of Irish origin and is derived from the Gaelic name "Ó Caiside," meaning "descendant of Caiside." The name Caiside is believed to have originated from the word "cas," which m......
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Caterson
The surname Caterson is of Irish origin and is derived from the Gaelic name Mac an Chatháir, meaning "son of the warrior." It is a patronymic surname, indicating descent from a male ancestor who wa......
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Cather
The surname Cather is of English origin and is derived from the medieval given name "Cathair," which means "battle ruler" or "warrior." It is believed to have been a nickname or an occupational nam......
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Caufield
The surname Caufield is of Irish origin and is derived from the Gaelic name Mac Cathmhaoil, meaning "son of Cathmhaoil." The name Cathmhaoil is composed of the elements "cath," meaning "battle," an......
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Caughell
The surname Caughell is of Irish origin and is derived from the Gaelic name "Mac Cathail," meaning "son of Cathal." The name Cathal itself is composed of the elements "cath," meaning "battle," and ......
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Caughey
The surname Caughey 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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Caughlan
The surname Caughlan 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, whic......
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Caughlin
The surname Caughlin is of Irish origin and is derived from the Gaelic name "Mac Cochlain," meaning "son of Cochlain." The name Cochlain is believed to be a variant of the Gaelic word "cochall," wh......
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Caughman
The surname Caughman is of Irish origin and is derived from the Gaelic name Mac Eacháin, meaning "son of Eachán." Eachán is a personal name derived from the Gaelic word "each," which means "horse."......
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Caughran
The surname Caughran is of Irish origin and is derived from the Gaelic name "Mac Eachráin," meaning "son of Eachrán." Eachrán is a personal name derived from the elements "each," meaning "horse," a......
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Caughron
The surname Caughron is of Irish origin and is derived from the Gaelic name "Mac Eachthighearna," meaning "son of the horse lord." It is believed to have originated from a clan or family associated......
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Cauley
The surname Cauley is of Irish origin and is derived from the Gaelic name Mac Amhalghaidh, meaning "son of Amhalghaidh." The name Amhalghaidh itself is believed to be derived from the Old Irish wor......
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Caulfield
The surname Caulfield is of Irish origin and is derived from the Gaelic name "Mac Cathmhaoil," meaning "son of Cathmhaoil." The name is composed of the elements "cath," meaning "battle," and "maol,......
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Surnames of Irish Origin

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