Surnames of Irish Origin

4,666 surnames found of Irish origin

Oheir
The surname Oheir is of Irish origin and is derived from the Gaelic name "Ó hÍr," meaning "descendant of Ír." The name Ír is believed to have been a personal name of uncertain meaning. The Oheir su......
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Ohern
The surname Ohern is of Irish origin and is derived from the Gaelic name "Ó hEachthigheirn," meaning "descendant of Eachthighearn." The name Eachthighearn itself is composed of the elements "each,"......
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Oheron
The surname Oheron is of Irish origin and is derived from the Gaelic name Ó hEachthighearna, which means "descendant of Eachthighearna." Eachthighearna is a personal name composed of the elements "......
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Oherron
The surname Oherron is of Irish origin and is derived from the Gaelic name "Ó hEaráin," meaning "descendant of Earán." The name Earán is believed to be a personal name derived from the word "earr,"......
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Ohiggins
The surname Ohiggins is of Irish origin and is derived from the Gaelic name Ó hUiginn, meaning "descendant of Uiginn." It is a patronymic surname, indicating that it was originally used to identify......
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Ohora
The surname Ohora is of Irish origin and is derived from the Gaelic name "Ó hÓghadhra," meaning "descendant of Óghadhra." The name Óghadhra is believed to be a personal name derived from the word "......
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Oineal
The surname Oineal is of Irish origin and is derived from the Gaelic name Ó Néill, meaning "descendant of Niall." Niall is an ancient Irish personal name that translates to "champion" or "cloud." T......
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Oineil
The surname Oineil is of Irish origin and is derived from the Gaelic name Ó Néill, meaning "descendant of Niall." Niall is an ancient Irish personal name that is believed to have originated from th......
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Oke
The surname Oke is of English origin and has multiple possible meanings. It could be a variant of the surname Oak, derived from the Old English word "ac," meaning oak tree. Alternatively, it could ......
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Okeefe
The surname O'Keefe is of Irish origin and is derived from the Gaelic name Ó Caoimh, meaning "descendant of Caomh." Caomh is a personal name that translates to "gentle" or "kind." The O'Keefe clan ......
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Surnames of Irish Origin

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