Surnames of Irish Origin

4,666 surnames found of Irish origin

Towey
The surname Towey is of Irish origin and is derived from the Gaelic name "Ó Tuathaigh," meaning "descendant of Tuathach." The name Tuathach is believed to have originated from the word "tuath," whi......
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Tracey
The surname Tracey is of English and Irish origin. It is derived from the medieval given name Tracey, which itself originated from the Old French word "Tresor" meaning "treasure." The name Tracey w......
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Tracy
The surname Tracy is of Irish origin and is derived from the Gaelic name Ó Treasaigh, meaning "descendant of Treasach." Treasach is a personal name derived from the word "treas," which translates t......
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Trahey
The surname Trahey is of Irish origin and is derived from the Gaelic name Ó Treasaigh, meaning "descendant of Treasach." Treasach is a personal name derived from the word "treasach," which translat......
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Trainor
The surname Trainor is of Irish origin and is derived from the Gaelic word "trenair," meaning "strong" or "powerful." It is an occupational surname that was given to someone who worked as a trainer......
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Trayah
The surname Trayah is of English origin and is believed to be a variant spelling of the surname Traynor. Traynor is an occupational surname derived from the Old Irish word "treanmhaire," meaning "s......
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Trayers
The surname Trayers is of Irish origin and is derived from the Gaelic name "Mac Threinfhir," meaning "son of the strong man." It is a patronymic surname, indicating descent from a male ancestor who......
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Traynor
The surname Traynor is of Irish origin and is derived from the Gaelic name "Mac Thréinfhir," meaning "son of the strong man." It is a patronymic surname, indicating descent from a male ancestor who......
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Traynum
The surname Traynum is of Irish origin and is derived from the Gaelic name Ó Treanáin, meaning "descendant of Treanán." The name Treanán itself is believed to be derived from the word "trean," whic......
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Treacy
The surname Treacy is of Irish origin and is derived from the Gaelic name Ó Treasaigh, meaning "descendant of Treasach." Treasach is a personal name derived from the word "treas," which translates ......
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Surnames of Irish Origin

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