Surnames of Irish Origin

4,666 surnames found of Irish origin

Hannahan
The surname Hannahan is of Irish origin and is derived from the Gaelic name "Ó hAnnaigh," meaning "descendant of Annach." The name Annach is believed to be a personal name derived from the word "an......
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Hannan
The surname Hannan is of Irish origin and is derived from the Gaelic name "Ó hAnáin," meaning "descendant of Anán." Anán is a personal name of uncertain origin, but it is believed to have been deri......
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Hannans
The surname Hannans is of Irish origin and is derived from the Gaelic name "Ó hAnnáin," meaning "descendant of Annán." The name Annán is believed to be derived from the word "ann," meaning "generou......
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Hannaway
The surname Hannaway is of Irish origin and is derived from the Gaelic name "Ó hAnmchadha," meaning "descendant of Anmchadh." The name Anmchadh is composed of the elements "an," meaning "one," and ......
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Hannegan
The surname Hannegan is of Irish origin and is derived from the Gaelic name "Ó hAnacháin," meaning "descendant of Anachán." The name Anachán is believed to be a diminutive form of the personal name......
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Hannifan
The surname Hannifan is of Irish origin and is derived from the Gaelic name Ó hAiniféin, meaning "descendant of Ainiféin." The name Ainiféin is believed to be a personal name derived from the eleme......
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Hannifin
The surname Hannifin is of Irish origin and is derived from the Gaelic name Ó hAinifín, meaning "descendant of Ainifín." The exact meaning of Ainifín is uncertain, but it is believed to be a person......
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Hannigan
The surname Hannigan is of Irish origin and is derived from the Gaelic name "Ó hAnnagáin," meaning "descendant of Annagán." The name Annagán is a diminutive form of the personal name Ann, which its......
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Hannon
The surname Hannon is of Irish origin and is derived from the Gaelic name "Ó hAnnáin," meaning "descendant of Annán." The name Annán is believed to be derived from the word "ann," meaning "generous......
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Hanor
The surname Hanor is of Irish origin and is derived from the Gaelic name "Ó hAnúir," meaning "descendant of Anúir." The name Anúir is believed to be a variant of the name Aonghus, which means "one ......
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Surnames of Irish Origin

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