Surnames of Irish Origin

4,666 surnames found of Irish origin

Curtin
The surname Curtin is of Irish origin and is derived from the Gaelic word "Cuirtean," meaning "a curtained or walled enclosure." It is believed to have originally referred to someone who lived near......
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Cusac
The surname Cusac is of Irish origin and is derived from the Gaelic name "Mac Iosóg," meaning "son of Iosóg." The name Iosóg is a diminutive form of the personal name "Iósadh," which means "devotee......
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Cusack
The surname Cusack is of Irish origin and is derived from the Gaelic name "Mac Uais," meaning "son of Uais." Uais is a personal name of uncertain meaning, but it is believed to have been a byname r......
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Cush
The surname Cush is of Irish origin and is derived from the Gaelic name "Mac Uisdein," meaning "son of Uisdean." Uisdean is a Gaelic form of the name Hugh, which is of Germanic origin and means "he......
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Cushen
The surname Cushen is of Irish origin and is derived from the Gaelic name "Mac Cúise," meaning "son of Cúise." The name Cúise itself is believed to be a variant of the Gaelic personal name "Mac Uis......
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Cushenberry
The surname Cushenberry is of Irish origin and is derived from the Gaelic name Ó Cuisín, meaning "descendant of Cuisín." The name Cuisín is a diminutive form of the Gaelic word cuisneach, which tra......
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Cusher
The surname Cusher is of Irish origin and is derived from the Gaelic name "Mac Uisear," meaning "son of Uisear." The name Uisear is believed to be a variant of the name Osier, which refers to a typ......
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Cushey
The surname Cushey is of Irish origin and is derived from the Gaelic name "Mac Iosaig," meaning "son of Iosag." The name Iosag is a diminutive form of the name Joseph. The Cushey surname is primari......
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Cushinberry
The surname Cushinberry is of Irish origin and is derived from the Gaelic name Ó Cuisín, meaning "descendant of Cuisín." The name Cuisín is a diminutive form of the Gaelic word cuisneach, which tra......
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Cushwa
The surname Cushwa is of Irish origin and is derived from the Gaelic name Mac Iosa, meaning "son of Jesus." It is a patronymic surname, indicating descent from a male ancestor named Iosa or Jesus. ......
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Surnames of Irish Origin

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