Surnames of Irish Origin

4,666 surnames found of Irish origin

Fitzharris
The surname Fitzharris is of Irish origin and is derived from the Gaelic name Mac Giolla Fhearghuis, meaning "son of the servant of Fergus." The name Fergus is an ancient Irish personal name, and t......
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Fitzjarrald
The surname Fitzjarrald is of Irish origin and is derived from the Gaelic name Mac Gearailt, meaning "son of Gerald." The prefix "Fitz" is a Norman term meaning "son of," which was often used to de......
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Fitzjarrell
The surname Fitzjarrell is of Irish origin and is derived from the Gaelic name Mac Gearailt, meaning "son of Gerald." The prefix "Fitz" is a Norman term meaning "son of," which was often used to de......
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Fitzkee
The surname Fitzkee is of Irish origin and is derived from the Gaelic name Mac Aodha, meaning "son of Aodh." Aodh is a given name that translates to "fire" or "fiery." The name Fitzkee signifies a ......
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Fitzmartin
The surname Fitzmartin is of English and Irish origin and is derived from the Old French name "Fitz," meaning "son of," and the given name Martin, which is derived from the Latin name "Martinus," m......
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Fitzmaurice
The surname Fitzmaurice is of Irish origin and is derived from the Gaelic name Mac Muiris, meaning "son of Maurice." Maurice is an anglicized form of the Irish name Muiris, which itself is derived ......
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Fitzmorris
The surname Fitzmorris is of Irish origin and is derived from the Gaelic name Mac Muiris, meaning "son of Morris." The prefix "Fitz" is a Norman term meaning "son of," which was often used to denot......
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Fitzpatric
The surname Fitzpatrick is of Irish origin and is derived from the Gaelic name Mac Giolla Phádraig, meaning "son of the servant of St. Patrick." The prefix "Fitz" is a Norman term meaning "son of,"......
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Fitzpatrick
The surname Fitzpatrick is of Irish origin and is derived from the Gaelic name Mac Giolla Phádraig, meaning "son of the servant of St. Patrick." The prefix "Fitz" is a Norman term meaning "son of,"......
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Fitzsimmons
The surname Fitzsimmons is of Irish origin and is derived from the Gaelic name Mac Síomóin, meaning "son of Simon." The prefix "Fitz" is a Norman term meaning "son of," which was often used to deno......
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Surnames of Irish Origin

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