Surnames of Irish Origin

4,666 surnames found of Irish origin

Clanahan
The surname Clanahan is of Irish origin and is derived from the Gaelic name "Ó Clannacháin," meaning "descendant of Clannachán." The name Clannachán is believed to be a diminutive form of the Gaeli......
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Clance
The surname Clance is of Irish origin and is derived from the Gaelic name "Mac Fhlannchaidh," meaning "son of Flannchadh." Flannchadh is a personal name composed of the elements "flann," meaning "r......
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Clancey
The surname Clancey is of Irish origin and is derived from the Gaelic name Mac Fhlannchaidh, meaning "son of Flannchadh." Flannchadh is a personal name derived from the Gaelic word "flann," which m......
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Clancy
The surname Clancy is of Irish origin and is derived from the Gaelic name "Mac Fhlannchaidh," meaning "son of Flannchadh." Flannchadh is a personal name derived from the Gaelic word "flann," which ......
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Claney
The surname Claney is of Irish origin and is derived from the Gaelic name "Ó Cléirigh," meaning "descendant of Cléirigh." The name Cléirigh is believed to have originated from the word "cléireach,"......
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Clarahan
The surname Clarahan is of Irish origin and is derived from the Gaelic name "Ó Cléirigháin," meaning "descendant of Cléirighán." The name Cléirighán is a diminutive form of the Gaelic word "cléirea......
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Clarey
The surname Clarey is of Irish origin and is derived from the Gaelic name "Ó Cléirigh," meaning "descendant of Cléirigh." The name Cléirigh is believed to have originated from the word "cleric," in......
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Clarken
The surname Clarken is of Irish origin and is derived from the Gaelic name "Ó Cléirigh," meaning "descendant of the cleric." It is a patronymic surname, indicating that it was originally used to id......
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Clavin
The surname Clavin is of Irish origin and is derived from the Gaelic name "Mac Gille Fhionntáin," meaning "son of the servant of St. Fionntán." The name Fionntán is a diminutive of Fionn, which mea......
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Cleary
The surname Cleary is of Irish origin and is derived from the Gaelic name "Ó Cléirigh," meaning "descendant of Cléireach." Cléireach is a personal name derived from the word "cléire," which transla......
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Surnames of Irish Origin

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