Surnames of Irish Origin

4,666 surnames found of Irish origin

Killoren
The surname Killoren is of Irish origin and is derived from the Gaelic name "Ó Cill Oirinn," meaning "descendant of Cill Oirinn." The name Cill Oirinn itself translates to "church of iron," with "c......
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Killorin
The surname Killorin is of Irish origin and is derived from the Gaelic name "Ó Cill Oirinn," meaning "descendant of Cill Oirinn." The name Cill Oirinn itself translates to "church of iron," with "c......
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Killough
The surname Killough is of Irish origin and is derived from the Gaelic name "Mac Giolla Chomhghaill," meaning "son of the servant of St. Comhghall." The name originated in County Down, Northern Ire......
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Killoy
The surname Killoy is of Irish origin and is derived from the Gaelic name Mac Giolla Aodha, meaning "son of the servant of Aodh." Aodh is a given name that translates to "fire" or "fiery." The name......
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Killpatrick
The surname Killpatrick is of Scottish origin and is derived from the Gaelic name Mac Giolla Phádraig, meaning "son of the servant of St. Patrick." It is a patronymic surname, indicating descent fr......
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Kilmartin
The surname Kilmartin is of Irish origin and is derived from the Gaelic name "Mac Giolla Mhártain," meaning "son of the servant of St. Martin." It is believed to have originated from a personal nam......
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Kilmurray
The surname Kilmurray is of Irish origin and is derived from the Gaelic name Mac Giolla Mhuire, meaning "son of the devotee of Mary." The name is a combination of "mac," meaning "son of," and "giol......
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Kilrain
The surname Kilrain is of Irish origin and is derived from the Gaelic name "Mac Giolla Riain," meaning "son of the servant of St. Riain." The name Riain is a variant of the name Ryan, which itself ......
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Kilroy
The surname Kilroy 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 as a nickname for someone with red h......
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Kimmins
The surname Kimmins is of Irish origin and is derived from the Gaelic name Mac Shimín, meaning "son of Simon." It is a patronymic surname, indicating descent from a male ancestor named Simon. The n......
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Surnames of Irish Origin

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