Surnames of Irish Origin

4,666 surnames found of Irish origin

Creedon
The surname Creedon is of Irish origin and is derived from the Gaelic name Ó Croidheagáin, meaning "descendant of Croidheagán." The name Croidheagán is a diminutive form of the Gaelic word "croidhe......
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Creegan
The surname Creegan is of Irish origin and is derived from the Gaelic name "Ó Críocháin," meaning "descendant of Críochán." The name Críochán is believed to be derived from the word "críoch," which......
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Creehan
The surname Creehan is of Irish origin and is derived from the Gaelic name Ó Críocháin, meaning "descendant of Críochán." The name Críochán is believed to be derived from the word "críoch," which m......
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Creelman
The surname Creelman is of Irish origin and is derived from the Gaelic name "Mac Raghnaill," meaning "son of Ragnall." Ragnall was a personal name of Norse origin, derived from the Old Norse name R......
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Creely
The surname Creely is of Irish origin and is derived from the Gaelic name Ó Cróiligh, meaning "descendant of Cróiligh." The name Cróiligh itself is believed to be a personal name derived from the w......
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Creen
The surname Creen is of Irish origin and is derived from the Gaelic name Ó Críonáin, meaning "descendant of Críonán." The name Críonán is believed to be derived from the word "críon," which means "......
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Creery
The surname Creery is of Irish origin and is derived from the Gaelic name Mac Riabhaigh, meaning "son of Riabhach." Riabhach is a personal name that translates to "brindled" or "speckled." The name......
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Creevy
The surname Creevy is of Irish origin and is derived from the Gaelic name Ó Críomhthain, meaning "descendant of Críomhthain." Críomhthain is a personal name derived from the Gaelic word "críomh," w......
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Cregan
The surname Cregan is of Irish origin and is derived from the Gaelic name "Ó Croidheagáin," meaning "descendant of Croidheagán." The name Croidheagán is a diminutive form of "croidhe," which transl......
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Cregg
The surname Cregg is of Irish origin and is derived from the Gaelic name "Mac Riocaird," meaning "son of Richard." The name Richard itself comes from the Germanic elements "ric," meaning "ruler" or......
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Surnames of Irish Origin

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