Surnames of Irish Origin

4,666 surnames found of Irish origin

Oshea
The surname Oshea is of Irish origin and is derived from the Gaelic name "Ó Séaghdha," meaning "descendant of Séaghdha." Séaghdha is a personal name derived from the word "seaghdha," which translat......
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Oshell
The surname Oshell is of Irish origin and is derived from the Gaelic name "Ó Seáil," meaning "descendant of Seáil." Seáil is a personal name derived from the word "seal," which means "noble" or "pr......
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Ossian
The surname Ossian is derived from the Gaelic name "Oisean," which means "little deer" or "fawn." It is believed to have originated from the legendary figure Ossian, a warrior and poet in Irish and......
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Osullivan
The surname O'Sullivan is of Irish origin and is derived from the Gaelic name "Ó Súilleabháin," meaning "descendant of Súilleabhán." The personal name Súilleabhán is composed of the elements "súil,......
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Otool
The surname Otool is of Irish origin and is derived from the Gaelic name "O Tuathail," which means "descendant of Tuathal." Tuathal is an ancient Irish personal name that combines the elements "tua......
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Otoole
The surname O'Toole is of Irish origin and is derived from the Gaelic name "Ó Tuathail," meaning "descendant of Tuathal." Tuathal was a common given name in ancient Ireland, derived from the elemen......
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Owney
The surname Owney is of Irish origin and is derived from the Gaelic name Ó Maonaigh, meaning "descendant of Maonach." Maonach is a personal name derived from the word "maon," which translates to "w......
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Oxx
The surname Oxx is of Irish origin and is derived from the Gaelic name "Ó hOcáin," meaning "descendant of Ocan." The name Ocan itself is believed to be a diminutive form of the personal name "Oc," ......
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Packey
The surname Packey is of Irish origin and is derived from the Gaelic name "Pádraig," meaning "noble" or "patrician." It is a variant spelling of the more common surname Pádraig or Patrick, which is......
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Padden
The surname Padden is of Irish origin and is derived from the Gaelic name "Ó Páidín," meaning "descendant of Páidín." Páidín is a diminutive form of the name Pádraig, which translates to Patrick in......
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Surnames of Irish Origin

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