Surnames of Irish Origin

4,666 surnames found of Irish origin

Johnny
The surname Johnny is derived from the given name John, which has Hebrew origins and means "God is gracious." It is a patronymic surname, indicating that it was originally used to identify the desc......
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Johnroe
The surname Johnroe is of Irish origin and is derived from the Gaelic name "Mac Seáin Ruaidh," meaning "son of the red John." The name Johnroe is typically associated with County Mayo in western Ir......
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Johnstonbaugh
The surname Johnstonbaugh is a combination of two distinct surnames, Johnston and Baugh. Johnston is a Scottish and Irish surname derived from the given name John, meaning "God is gracious." Baugh,......
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Journagan
The surname Journagan is of Irish origin and is derived from the Gaelic name "Ó Murchadha," meaning "descendant of Murchadh." The personal name Murchadh is composed of the elements "muir," meaning ......
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Journigan
The surname Journigan is of Irish origin and is derived from the Gaelic name "O'Ceirin," meaning "descendant of Ceirin." Ceirin is a personal name derived from the word "cearn," which means "victor......
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Joyce
The surname Joyce is of Irish origin and is derived from the Gaelic name "Seoighse," which means "descendant of Seoighse." Seoighse is a personal name derived from the word "seaghdha," meaning "haw......
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Kaelin
The surname Kaelin is of German origin and is derived from the personal name "Kilian," which itself is derived from the Latin name "Cilianus." The name is believed to have originated from the Irish......
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Kahill
The surname Kahill is of Irish origin and is derived from the Gaelic name "Ó Cathail," meaning "descendant of Cathal." The name Cathal itself is composed of the elements "cath," meaning "battle," a......
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Kahoe
The surname Kahoe is of Irish origin and is derived from the Gaelic name "Ó Cathasaigh," meaning "descendant of Cathasach." The name Cathasach is believed to be derived from the word "cathasach," w......
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Kaighn
The surname Kaighn 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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Surnames of Irish Origin

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