Surnames that begin with the letter 'O'

Explore a list of 2,781 surnames starting with the letter 'O'

Ondriezek
The surname Ondriezek is of Slovak origin and is derived from the personal name Ondrej, which is the Slovak form of the name Andrew. The suffix -ezek is a diminutive form, indicating "son of Andrew." ...
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Ondrus
The surname Ondrus is of Slovak origin and is derived from the given name Ondrej, which is the Slovak form of the name Andrew. It is a patronymic surname, meaning it was originally used to identify th...
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Ondrusek
The surname Ondrusek is of Czech origin and is derived from the given name Ondřej, which is the Czech form of Andrew. It is a patronymic surname, meaning it was originally used to identify the descend...
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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." Th...
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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 "cloud...
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Oneale
The surname O'Neal, also spelled O'Neil or O'Neill, 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 means "c...
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Oneall
The surname Oneall 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 have meant "champion" or "...
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Oneel
The surname Oneel 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 have meant "champion" or "c...
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Onefeather
The surname Onefeather is of Native American origin and is commonly found among various tribes, particularly in the United States. It is a descriptive surname that likely originated from a physical ch...
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Oneida
The surname Oneida is of Native American origin and is derived from the name of the Oneida tribe, one of the six nations of the Iroquois Confederacy. The Oneida people originally inhabited the northea...
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Surnames that begin with the letter 'O'

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