Surnames of Gaelic Origin

8,379 surnames found of Gaelic origin

Omally
The surname O'Mally is of Irish origin and is derived from the Gaelic name Ó Máille, meaning "descendant of Máille." The name Máille is believed to be a personal name derived from the Gaelic word "......
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Oman
The surname Oman is of English origin and has multiple possible meanings. It could be a habitational name for someone from a place called Oman, which is derived from the Old English word "ofer" mea......
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Omara
The surname Omara is of Irish origin and is derived from the Gaelic name "Ó Mára," meaning "descendant of Mára." The name Mára is believed to be a variant of the name Máire, which is the Irish form......
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Omarra
The surname Omarra is of Irish origin and is derived from the Gaelic name Ó Mearadhaigh, which means "descendant of Mearadhach." The name Mearadhach is believed to be derived from the word "mearadh......
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Omeally
The surname Omeally is of Irish origin and is derived from the Gaelic name Ó Maolmhaodhóg, meaning "descendant of Maolmhaodhóg." The name Maolmhaodhóg is composed of the elements "maol," meaning "b......
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Omeara
The surname Omeara is of Irish origin and is derived from the Gaelic name Ó Meadhra, meaning "descendant of Meadhair," with Meadhair being a personal name of uncertain meaning. The name is predomin......
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Omera
The surname Omera is of Irish origin and is derived from the Gaelic name Ó Míodhair, meaning "descendant of Míodhair." The name Míodhair is believed to be derived from the word "miodh" which means ......
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Omey
The surname Omey is of Irish origin and is derived from the Gaelic name "Ó Méith," meaning "descendant of Méith." The name Méith is believed to have been a personal name of uncertain origin. The su......
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Oneail
The surname O'Neil is of Irish origin and is derived from the Gaelic name "Ó Néill," meaning "descendant of Niall." Niall is an ancient Irish personal name that translates to "champion" or "cloud."......
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Oneal
The surname Oneal is of Irish origin and is derived from the Gaelic name "Ó Néill," meaning "descendant of Niall." Niall is an ancient Irish personal name that is believed to mean "champion" or "cl......
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Surnames of Gaelic Origin

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