Surnames that begin with the letter 'O'

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

Oldt
The surname Oldt is of German origin and is derived from the Middle High German word "alt," meaning "old." It is a descriptive surname that was likely used to denote an older individual or someone wit...
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Olea
The surname Olea is of Spanish origin and is derived from the Latin word "olea," meaning "olive tree." It is a topographic or locational surname, typically given to someone who lived near or worked wi...
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Oleaga
The surname Oleaga is of Basque origin and is derived from the Basque word "oleaga," meaning "wild olive tree." It is a toponymic surname, indicating that it was originally used to identify someone wh...
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Olean
The surname Olean is of English origin and is derived from the Old English word "olene," meaning "olive tree." It is a topographic surname given to someone who lived near or worked with olive trees. T...
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Olear
The surname Olear is of German origin and is derived from the Middle High German word "ole," meaning "oil." It is an occupational surname that was given to individuals who worked with or traded in oil...
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Oleary
The surname O'Leary is of Irish origin and is derived from the Gaelic name Ó Laoghaire, meaning "descendant of Laoghaire." Laoghaire was a personal name that originated from the Old Irish word "laech,...
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Oleas
The surname Oleas is of Spanish origin and is derived from the personal name Olea, which itself is derived from the Latin word "oleum" meaning "oil." It is a patronymic surname, indicating that it was...
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Olech
The surname Olech is of Polish origin and is derived from the given name Olek, which is a diminutive form of Aleksander. It is a patronymic surname, meaning it was originally used to identify the desc...
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Olechnowicz
The surname Olechnowicz is of Polish origin and is derived from the given name Olech, which is a diminutive form of the name Aleksander. The suffix "-owicz" indicates "son of" or "descendant of." Ther...
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Olechowski
The surname Olechowski is of Polish origin and is derived from the personal name Olech, which is a diminutive form of the name Aleksander. The suffix "-owski" indicates a connection to a place or regi...
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Surnames that begin with the letter 'O'

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