Surnames of Irish Origin

4,666 surnames found of Irish origin

Kilfeather
The surname Kilfeather is of Irish origin and is derived from the Gaelic name "Mac Giolla Fhathrach," meaning "son of the servant of the pilgrim." It is believed to have originated from County Slig......
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Kilfoil
The surname Kilfoil is of Irish origin and is derived from the Gaelic name "Mac Giolla Phóil," meaning "son of the servant of St. Paul." It is a patronymic surname, indicating that it was originall......
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Kilfoy
The surname Kilfoy is of Irish origin and is derived from the Gaelic name Mac Giolla Phóil, meaning "son of the servant of Paul." The name is believed to have originated from County Mayo in Ireland......
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Kilfoyle
The surname Kilfoyle is of Irish origin and is derived from the Gaelic name "Mac Giolla Phóil," meaning "son of the servant of St. Paul." It is a patronymic surname, indicating descent from a male ......
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Kilgallen
The surname Kilgallen is of Irish origin and is derived from the Gaelic name "Mac Giolla Fhaoláin," meaning "son of the servant of St. Faolán." The name Faolán is a diminutive of "faol," which tran......
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Kilgallon
The surname Kilgallon is of Irish origin and is derived from the Gaelic name Mac Giolla Ghallchobhair, meaning "son of the servant of St. Gallchobhair." The name Gallchobhair is a combination of th......
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Kilgannon
The surname Kilgannon is of Irish origin and is derived from the Gaelic name "Mac Giolla Ghainín," meaning "son of the servant of St. Canice." The name refers to a descendant of a devotee or servan......
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Kilgariff
The surname Kilgariff is of Irish origin and is derived from the Gaelic name Mac Giolla Gharbh, meaning "son of the rough servant." The name likely originated as a patronymic surname, indicating de......
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Kilgrow
The surname Kilgrow is of Irish origin and is derived from the Gaelic name Mac Giolla Ruaidh, meaning "son of the red-haired servant." The name likely originated from a person who was a servant or ......
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Kilian
The surname Kilian is of German origin and is derived from the personal name Kilian, which itself is derived from the Latin name Cillianus. The name Kilian is believed to have originated from the I......
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Surnames of Irish Origin

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