Surnames of Irish Origin

4,666 surnames found of Irish origin

Kailey
The surname Kailey is of Irish origin and is derived from the Gaelic name "Ó Caollaidhe," meaning "descendant of Caollaidhe." The name Caollaidhe itself is believed to come from the word "caol," wh......
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Kain
The surname Kain is of Irish origin and is derived from the Gaelic name "Ó Catháin," meaning "descendant of Cathán." The name Cathán is believed to be derived from the word "cath," meaning "battle.......
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Kaine
The surname Kaine is of Irish origin and is derived from the Gaelic name "Ó Catháin," meaning "descendant of Cathán." The name Cathán is believed to be derived from the word "cath," meaning "battle......
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Kalagher
The surname Kalagher is of Irish origin and is derived from the Gaelic name Ó Calacháin, meaning "descendant of Calachán." The name Calachán is believed to be derived from the word "calach," which ......
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Kalaher
The surname Kalaher is of Irish origin and is derived from the Gaelic name Ó Cathaláin, meaning "descendant of Cathalán." The name Cathalán is a diminutive form of the personal name Cathal, which m......
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Kaliher
The surname Kaliher is of Irish origin and is derived from the Gaelic name Ó Cadhlaigh, meaning "descendant of Cadhlaigh." The name Cadhlaigh is believed to be derived from the word "cadhla," which......
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Kallaher
The surname Kallaher is of Irish origin and is derived from the Gaelic name Ó Ceileachair, meaning "descendant of Ceileachar." The name Ceileachar is composed of the elements "ceile" meaning "compa......
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Kallan
The surname Kallan is of Irish origin and is derived from the Gaelic name Ó Cathaláin, meaning "descendant of Cathalán." The name Cathalán is a diminutive form of the personal name Cathal, which me......
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Kanaday
The surname Kanaday is of Irish origin and is derived from the Gaelic name "Ó Cianáin," meaning "descendant of Cianán." Cianán is a diminutive form of the name Cian, which means "ancient" or "endur......
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Kanady
The surname Kanady is of Irish origin and is derived from the Gaelic name "Ó Canannáin," meaning "descendant of Canannán." The name Canannán is believed to be a diminutive form of the personal name......
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Surnames of Irish Origin

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