Surnames of Irish Origin

4,666 surnames found of Irish origin

Reiley
The surname Reiley is of Irish origin and is derived from the Gaelic name Ó Raghallaigh, meaning "descendant of Raghallach." Raghallach is a personal name that is believed to have originated from t......
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Reilley
The surname Reilley is of Irish origin and is derived from the Gaelic name Ó Raghallaigh, meaning "descendant of Raghallach." The name Raghallach itself is believed to have originated from the word......
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Reilly
The surname Reilly is of Irish origin and is derived from the Gaelic name Ó Raghallaigh, meaning "descendant of Raghallach." Raghallach is a personal name that is believed to have originated from t......
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Reily
The surname Reily is of Irish origin and is derived from the Gaelic name Ó Raghailligh, meaning "descendant of Raghailligh." The name Raghailligh is believed to be derived from the word "raghallach......
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Relihan
The surname Relihan is of Irish origin and is derived from the Gaelic name Ó Raghallaigh, meaning "descendant of Raghallach." The name Raghallach itself is believed to have originated from the word......
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Renaghan
The surname Renaghan is of Irish origin and is derived from the Gaelic name Ó Rinnagáin, meaning "descendant of Rinnagán." The name Rinnagán is believed to be a diminutive form of the personal name......
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Renehan
The surname Renehan is of Irish origin and is derived from the Gaelic name Ó Ríoghbháin, meaning "descendant of Ríoghbhán." The name Ríoghbhán is composed of the elements "ríogh," meaning "king," a......
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Renihan
The surname Renihan is of Irish origin and is derived from the Gaelic name Ó Rinnacháin, meaning "descendant of Rinnachán." The name Rinnachán is believed to be a diminutive form of the Gaelic word......
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Rhatigan
The surname Rhatigan is of Irish origin and is derived from the Gaelic name Ó Ráthagáin, meaning "descendant of Ráthagán." The name Ráthagán is believed to be a diminutive form of the Gaelic word "......
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Rials
The surname Rials is of Irish origin and is derived from the Gaelic name "Ó Raghallaigh," meaning "descendant of Raghallach." The name Raghallach itself is believed to be derived from the elements ......
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Surnames of Irish Origin

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