Surnames of Irish Origin

4,666 surnames found of Irish origin

Maccauley
The surname Maccauley is of Irish origin and is derived from the Gaelic name "Mac Amhalghaidh," meaning "son of Amhalghaidh." The name Amhalghaidh itself is composed of the elements "amhal," meanin......
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Macdermott
The surname MacDermott is of Irish origin and is derived from the Gaelic name "Mac Diarmada," meaning "son of Diarmuid." Diarmuid is an ancient Irish personal name that translates to "without enemy......
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Macdonald
The surname Macdonald is of Scottish and Irish origin, derived from the Gaelic name "Mac Dhomhnaill," meaning "son of Donald." It is a patronymic surname, indicating descent from a person named Don......
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Macdonnell
The surname Macdonnell is of Scottish and Irish origin, derived from the Gaelic name Mac Domhnaill, meaning "son of Domhnall." Domhnall is a Gaelic personal name that translates to "world ruler" or......
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Macdonough
The surname Macdonough is of Irish origin and is derived from the Gaelic name "Mac Donnchadha," meaning "son of Donnchadh." Donnchadh is a given name that combines the elements "donn," meaning "bro......
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Macelroy
The surname Macelroy is of Irish origin and is derived from the Gaelic name Mac Giolla Ruaidh, meaning "son of the red-haired servant." The name suggests that the original bearer of the surname was......
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Macentee
The surname Macentee is of Irish origin and is derived from the Gaelic name Mac an tSaoi, which means "son of the scholar." The prefix "Mac" signifies "son of," while "an tSaoi" refers to a scholar......
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Macfarlan
The surname Macfarlan is of Scottish origin and is derived from the Gaelic name Mac Pharlain, meaning "son of Parlan." Parlan is a diminutive form of the Gaelic name Partholon, which is believed to......
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Macfarland
The surname Macfarland is of Scottish origin and is derived from the Gaelic name "Mac Pharlain," meaning "son of Parlan." Parlan is a diminutive form of the Gaelic name "Partholon," which is believ......
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Macgrath
The surname Macgrath is of Irish origin and is derived from the Gaelic name Mac Craith, meaning "son of Craith." The name Craith is believed to be a personal name derived from the word "craobh," me......
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Surnames of Irish Origin

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