Surnames of Irish Origin

4,666 surnames found of Irish origin

Keilen
The surname Keilen is of German origin and is derived from the personal name Kilian, which itself comes from the Latin name Cilianus. The name Kilian was popularized by a 7th-century Irish saint wh......
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Keilers
The surname Keilers is of German origin and is derived from the personal name "Kilian," which itself is derived from the Latin name "Cilianus." The name Keilers is patronymic in nature, meaning it ......
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Keiley
The surname Keiley is of Irish origin and is derived from the Gaelic name Ó Cadhla, which means "descendant of Cadhla." Cadhla is a personal name that translates to "attractive" or "graceful." The ......
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Keilty
The surname Keilty is of Irish origin and is derived from the Gaelic name Mac Coitir, meaning "son of Coitir." Coitir is a personal name that is believed to have originated from the word "coitear,"......
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Keily
The surname Keily is of Irish origin and is derived from the Gaelic name Ó Cadhla, which means "descendant of Cadhla." Cadhla is a personal name that translates to "attractive" or "graceful." The s......
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Keiran
The surname Keiran is of Irish origin and is derived from the Gaelic name "Ciarán," meaning "dark-haired" or "black-haired." It is a patronymic surname, indicating that it was originally used to id......
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Keirnan
The surname Keirnan is of Irish origin and is derived from the Gaelic name "Ó Ciaráin," meaning "descendant of Ciarán." Ciarán is an Irish given name derived from the word "ciar," which means "dark......
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Kelahan
The surname Kelahan is of Irish origin and is derived from the Gaelic name Ó Ceallacháin, meaning "descendant of Ceallachán." Ceallachán is a diminutive form of the personal name Ceallach, which tr......
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Kelaher
The surname Kelaher is of Irish origin and is derived from the Gaelic name Ó Ceileachair, meaning "descendant of Ceileachar." The name Ceileachar is believed to be derived from the Gaelic word "cei......
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Kelcourse
The surname Kelcourse is of Scottish origin and is derived from the Gaelic name Mac Giolla Chomhghaill, meaning "son of the servant of St. Comhghall." The name likely originated from a person who w......
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Surnames of Irish Origin

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