Surnames of Irish Origin

4,666 surnames found of Irish origin

Laferty
The surname Laferty is of Irish origin and is derived from the Gaelic name Ó Labhradha, meaning "descendant of Labhradha." Labhradha is a personal name derived from the word "labhair," which means ......
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Laff
The surname Laff is of Irish origin and is derived from the Gaelic name Ó Laithimh, meaning "descendant of Laithimh." The name Laithimh itself is believed to be derived from the word "laith," which......
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Laffan
The surname Laffan is of Irish origin and is derived from the Gaelic name Ó Lachtnáin, meaning "descendant of Lachtnán." The name Lachtnán itself is derived from the word "lachtna," which means "gr......
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Lafferty
The surname Lafferty is of Irish origin and is derived from the Gaelic name Ó Laithbheartaigh, meaning "descendant of Laithbheartach." The name Laithbheartach itself is composed of the elements "la......
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Laffey
The surname Laffey is of Irish origin and is derived from the Gaelic name Ó Laithimh, meaning "descendant of Laithimh." The name Laithimh itself is believed to be derived from the word "laith," whi......
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Laffin
The surname Laffin is of Irish origin and is derived from the Gaelic name Ó Laithimhín, meaning "descendant of Laithimhín." The name Laithimhín is a diminutive form of the Gaelic word "laithimh," w......
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Laffrey
The surname Laffrey is of Irish origin and is derived from the Gaelic name Ó Laithimh, meaning "descendant of Laithimh." The name Laithimh itself is believed to be derived from the word "laith," wh......
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Lagan
The surname Lagan is of Irish origin and is derived from the Gaelic word "lagán," meaning "little hollow." It is a topographic surname that was likely given to someone who lived near or in a small ......
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Laguire
The surname Laguire is of Irish origin and is derived from the Gaelic name "Ó Laoghaire," meaning "descendant of Laoghaire." Laoghaire is an ancient Irish personal name that is believed to have ori......
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Lahair
The surname Lahair is of Irish origin and is derived from the Gaelic name Ó Láithair, meaning "descendant of Láithair." The name Láithair itself is believed to have originated from the word "láthai......
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Surnames of Irish Origin

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