Surnames of Irish Origin

4,666 surnames found of Irish origin

Casey
The surname Casey is of Irish origin and has multiple possible meanings. It is derived from the Gaelic name Ó Cathasaigh, which means "descendant of Cathasach." Cathasach is a personal name derived......
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Cashatt
The surname Cashatt is of Irish origin and is derived from the Gaelic name "Mac Asatáin," meaning "son of Asatán." The name Asatán is believed to be a personal name of uncertain origin. The surname......
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Cashel
The surname Cashel is of Irish origin and is derived from the Gaelic word "Caiseal," meaning "stone fort." It is a locational surname, typically associated with the town of Cashel in County Tippera......
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Cashell
The surname Cashell is of Irish origin and is derived from the Gaelic name "Mac Caiséil," meaning "son of Caiséal." Caiséal is a word that refers to a stone fort or castle, and the name likely orig......
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Cashen
The surname Cashen is of Irish origin and is derived from the Gaelic name "Mac Caisín," meaning "son of Caisín." The name Caisín itself is a diminutive form of the Gaelic word "cas," which translat......
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Cashin
The surname Cashin is of Irish origin and is derived from the Gaelic name "Ó Caisín," meaning "descendant of Caisín." The name Caisín itself is a diminutive form of the Gaelic word "cas," which mea......
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Cashion
The surname Cashion is of Irish origin and is derived from the Gaelic name "Mac Caisin," meaning "son of Caisin." The name Caisin itself is believed to be a diminutive form of the Gaelic word "cas,......
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Cashman
The surname Cashman is of Irish origin and is derived from the Gaelic name "Ó Caisín," meaning "descendant of Caisín." The name Caisín itself is believed to be a diminutive form of the Gaelic word ......
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Cashon
The surname Cashon is of Irish origin and is derived from the Gaelic name Ó Caisín, meaning "descendant of Caisín." The name Caisín itself is believed to be a diminutive form of the Gaelic word "ca......
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Casiday
The surname Casiday is of Irish origin and is derived from the Gaelic name "Mac Asadaidh," meaning "son of Asaday." The name Asaday is believed to be a variant of the name Aodh, which means "fire" ......
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Surnames of Irish Origin

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