Surnames of Irish Origin

4,666 surnames found of Irish origin

Toohey
The surname Toohey is of Irish origin and is derived from the Gaelic name Ó Tuathaigh, meaning "descendant of Tuathach." Tuathach is a personal name derived from the word "tuath," which means "peop......
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Toohill
The surname Toohill is of Irish origin and is derived from the Gaelic name "Ó Tuathail," meaning "descendant of Tuathal." The name Tuathal itself is composed of the elements "tuath," meaning "peopl......
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Toolan
The surname Toolan is of Irish origin and is derived from the Gaelic name Ó Tuathail, meaning "descendant of Tuathal." Tuathal is an ancient Irish personal name derived from the elements "tuath," m......
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Toole
The surname Toole is of Irish origin and is derived from the Gaelic name Ó Tuathail, meaning "descendant of Tuathal." The name Tuathal itself is composed of the elements "tuath," meaning "people" o......
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Toolen
The surname Toolen is of Irish origin and is derived from the Gaelic name Ó Tuathail, meaning "descendant of Tuathal." The name Tuathal itself is composed of the elements "tuath," meaning "people" ......
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Tooles
The surname Tooles is of Irish origin and is derived from the Gaelic name "O'Tuathail," which means "ruler of the people." It is a patronymic surname, indicating that it was originally used to iden......
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Toolin
The surname Toolin is of Irish origin and is derived from the Gaelic name Ó Tuathail, meaning "descendant of Tuathal." The name Tuathal itself is composed of the elements "tuath," meaning "people" ......
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Tooman
The surname Tooman is of Irish origin and is derived from the Gaelic name "Ó Tuama," meaning "descendant of Tuaim," which itself translates to "a mound" or "a hill." The name likely originated as a......
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Toomey
The surname Toomey is of Irish origin and is derived from the Gaelic name "Ó Tuama," meaning "descendant of Tuaim," which translates to "a mound" or "a hill." It is believed to have originated from......
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Toran
The surname Toran is of Irish origin and is derived from the Gaelic word "torann," meaning "thunder." It is believed to have originated as a nickname for someone with a loud or booming voice or a p......
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Surnames of Irish Origin

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