Surnames of Irish Origin

4,666 surnames found of Irish origin

Ogeen
The surname Ogeen is of Irish origin and is derived from the Gaelic name Ó Géibheannaigh, which means "descendant of Géibheannach." The name Géibheannach is believed to be derived from the word "gé......
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Ogorman
The surname Ogorman is of Irish origin and is derived from the Gaelic name "Ó Gormáin," meaning "descendant of Gormán." The personal name Gormán is composed of the elements "gorm," meaning "blue" o......
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Ogrady
The surname O'Grady is of Irish origin and is derived from the Gaelic name Ó Grádaigh, meaning "descendant of Grádaigh." The name Grádaigh is believed to come from the word "grádach," which transla......
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Oguinn
The surname Oguinn is of Irish origin and is derived from the Gaelic name "Ó Cuinn," meaning "descendant of Conn." The name Conn is a personal name that was popular in ancient Ireland and is believ......
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Ohagan
The surname O'Hagan is of Irish origin and is derived from the Gaelic name Ó hÁgáin, meaning "descendant of Ágán." The name Ágán itself is believed to be a diminutive form of the Irish word "ág," w......
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Ohair
The surname Ohair is of Irish origin and is derived from the Gaelic name "Ó hEaghra," meaning "descendant of Eaghra." The name Eaghra is believed to be derived from the word "eaghar," which transla......
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Ohaire
The surname Ohaire is of Irish origin and is derived from the Gaelic name "Ó hAodha," meaning "descendant of Aodh." Aodh is a given name that translates to "fire" or "fiery." The name Ohaire is pri......
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Ohalloran
The surname Ohalloran is of Irish origin and is derived from the Gaelic name Ó hAllmhuráin, meaning "descendant of Allmhurán." The name Allmhurán is believed to be a personal name derived from the ......
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Ohandley
The surname Ohandley is of Irish origin and is derived from the Gaelic name Ó hÁinle, which means "descendant of Áinle." The name Áinle is believed to be derived from the Irish word "ainle," meanin......
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Ohanley
The surname Ohanley is of Irish origin and is derived from the Gaelic name Ó hÁinle, which means "descendant of Áinle." The name Áinle is believed to be a personal name derived from the word "áinle......
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Surnames of Irish Origin

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