Surnames of Irish Origin

4,666 surnames found of Irish origin

Moynagh
The surname Moynagh is of Irish origin and is derived from the Gaelic name Ó Muimhneacháin, meaning "descendant of Muimhneachán." The name Muimhneachán is believed to be derived from the word "muim......
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Moynahan
The surname Moynahan is of Irish origin and is derived from the Gaelic name Ó Muimhneacháin, meaning "descendant of Muimhneachán." The name Muimhneachán is believed to be derived from the word "mui......
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Moynihan
The surname Moynihan is of Irish origin and is derived from the Gaelic name Ó Muimhneacháin, meaning "descendant of Muimhneacháin." The name Muimhneacháin is believed to be derived from the word "m......
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Muckelvaney
The surname Muckelvaney is of Irish origin and is derived from the Gaelic name "Mac Giolla Bheathain," meaning "son of the servant of St. Beathan." The name Beathan is a Gaelic personal name derive......
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Muckey
The surname Muckey is of Irish origin and is derived from the Gaelic name "Ó Muicche," meaning "descendant of Muicce." The name Muicce is believed to be a personal name derived from the word "muice......
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Mugan
The surname Mugan is of Irish origin and is derived from the Gaelic word "mugán," meaning "little pet or darling." It is believed to have originated as a nickname for someone who was small or endea......
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Mulally
The surname Mulally is of Irish origin and is derived from the Gaelic name Ó Maolalaidh, meaning "descendant of Maolalaidh." The name Maolalaidh is composed of the elements "maol," meaning "bald" o......
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Mulanax
The surname Mulanax is of Irish origin and is derived from the Gaelic name Ó Maoláin, meaning "descendant of Maolán." The name Maolán is a diminutive form of Maol, which translates to "bald" or "to......
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Mulcahey
The surname Mulcahey is of Irish origin and is derived from the Gaelic name Ó Maolchathaigh, meaning "descendant of Maolchathaigh." The name Maolchathaigh is composed of the elements "maol," meanin......
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Mulcahy
The surname Mulcahy is of Irish origin and is derived from the Gaelic name Ó Maolchathaigh, meaning "descendant of Maolchathach." The name Maolchathach is composed of the elements "maol," meaning "......
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Surnames of Irish Origin

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