Surnames of Irish Origin

4,666 surnames found of Irish origin

Crilley
The surname Crilley is of Irish origin and is derived from the Gaelic name Mac Raghallaigh, meaning "son of Raghallach." The name Raghallach itself is believed to have originated from the Old Norse......
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Crilly
The surname Crilly is of Irish origin and is derived from the Gaelic name "Mac Raghallaigh," meaning "son of Raghallach." Raghallach is a personal name that is believed to have originated from the ......
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Crimin
The surname Crimin is of Irish origin and is derived from the Gaelic word "cromán," meaning "bent" or "crooked." It is believed to have originally been a nickname for someone with a physical deform......
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Crimmins
The surname Crimmins is of Irish origin and is derived from the Gaelic name Ó Críomhthainn, meaning "descendant of Críomhthann." The name Críomhthann is composed of the elements "críomh," meaning "......
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Crinion
The surname Crinion 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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Crinnion
The surname Crinnion 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 mean......
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Croake
The surname Croake is of Irish origin and is derived from the Gaelic word "craobh" meaning "branch" or "twig." It is believed to have originated as a nickname for someone who lived near a prominent......
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Croan
The surname Croan is of Irish origin and is derived from the Gaelic word "cruadhán," meaning "little hard one" or "little tough one." It is believed to have originated as a nickname for someone who......
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Croatt
The surname Croatt is of Irish origin and is derived from the Gaelic name "Mac Riabhachtaigh," meaning "son of Riabhachtaigh." The name Riabhachtaigh is composed of the elements "riabhach," meaning......
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Crogan
The surname Crogan is of Irish origin and is derived from the Gaelic name "Ó Cruagáin," meaning "descendant of Cruagán." The name Cruagán itself is believed to be derived from the word "cruach," me......
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Surnames of Irish Origin

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