Surnames that begin with the letter 'O'

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

Oneil
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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Oneill
The surname 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 translates to "champion" or "cloud." T...
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Onell
The surname Onell is of English origin and is derived from the Old English personal name "Anel," which itself is a variant of "Arnold." The name Arnold is composed of the elements "arn," meaning "eagl...
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Oner
The surname Oner is of Turkish origin and is derived from the Turkish word "oner," which means "recommendation" or "suggestion." It is a patronymic surname, indicating that it was originally used to i...
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Ones
The surname Ones is of Greek origin and is derived from the Greek word "onesis," meaning "benefit" or "profit." It is believed to have originated as a nickname for someone who was considered advantage...
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Onesko
The surname Onesko is of Ukrainian origin and is derived from the given name Ivan, which is the Slavic form of John. It is a patronymic surname, meaning it is based on the father's name. The suffix "-...
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Onesti
The surname Onesti is of Italian origin and is derived from the Italian word "onesto," meaning "honest" or "upright." It is a surname that likely originated as a nickname for someone who was known for...
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Onesto
The surname Onesto is of Italian origin and is derived from the Italian word "onesto," meaning "honest" or "upright." It is a surname that likely originated as a nickname for someone who was known for...
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Oneto
The surname Oneto is of Italian origin and is derived from the personal name Onorio, which means "honorable" or "dignified" in Italian. It is a patronymic surname, indicating that it was originally us...
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Oney
The surname Oney is of English origin and is derived from the Old English personal name "Agni" or "Anni," which means "one" or "alone." It is a patronymic surname, indicating that it was originally us...
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Surnames that begin with the letter 'O'

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