Surnames of Irish Origin

4,666 surnames found of Irish origin

Moomey
The surname Moomey is of Irish origin and is derived from the Gaelic name Ó Maolmhuaidh, which means "descendant of Maolmhuadh." The name Maolmhuadh is composed of the elements "maol," meaning "bal......
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Moonan
The surname Moonan is of Irish origin and is derived from the Gaelic name Ó Mocháin, meaning "descendant of Mochán." The name Mochán itself is believed to be derived from the word "moch," meaning "......
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Mooney
The surname Mooney is of Irish origin and is derived from the Gaelic name Ó Maonaigh, meaning "descendant of Maonach." Maonach is a personal name derived from the word "maoin," which means "wealth"......
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Mooneyhan
The surname Mooneyhan is of Irish origin and is derived from the Gaelic name Ó Maonaigh, meaning "descendant of Maonach." The name Maonach is believed to have been a personal name derived from the ......
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Moore
The surname Moore is of English and Irish origin, derived from the Old English word "mor" or the Gaelic word "mór," both meaning "great" or "tall." It was originally used as a nickname for a person......
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Mor
The surname Mor is of Scottish and Irish origin. It is derived from the Gaelic word "mor" which means "big" or "great." As a surname, Mor is often used as a descriptive or nickname for someone who ......
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Morahan
The surname Morahan is of Irish origin and is derived from the Gaelic name Ó Murcháin, meaning "descendant of Murchán." The personal name Murchán is a diminutive form of Murchadh, which translates ......
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Moran
The surname Moran is of Irish origin and has multiple meanings. It is derived from the Gaelic word "móran," which means "great" or "large." As a surname, Moran can refer to someone who is large or ......
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Moreen
The surname Moreen is of Irish origin and is derived from the Gaelic name Ó Móráin, meaning "descendant of Mórán." The personal name Mórán is derived from the word "mór," which translates to "big" ......
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Moren
The surname Moren is of Irish origin and is derived from the Gaelic word "morainn," meaning "great one" or "big." It is a descriptive surname that was likely used to denote a person of large statur......
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Surnames of Irish Origin

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