Surnames that begin with the letter 'O'

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

Oriel
The surname Oriel is of Irish origin and is derived from the Gaelic name Ó hIoráin, meaning "descendant of Iorán." The name Iorán is believed to be a diminutive form of the personal name Ior, which me...
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Orielly
The surname O'Reilly is of Irish origin and is derived from the Gaelic name "Ó Raghallaigh," meaning "descendant of Raghallach." The name Raghallach itself is believed to be derived from the elements ...
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Orient
The surname Orient is derived from the Latin word "oriens," meaning "east." It is a geographical surname typically given to individuals who lived or originated from the eastern part of a region or cou...
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Oriental
The surname Oriental does not have a specific meaning in the context of surnames. It is likely a surname derived from the word "Oriental," which generally refers to the eastern part of the world, part...
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Oriente
The surname Oriente is of Italian origin and is derived from the word "oriente," meaning "east" in Italian. It is a locational surname typically associated with individuals or families who originated ...
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Orifice
The surname Orifice is derived from the Latin word "orificium," meaning an opening or entrance. It is likely that the surname originated as a topographic name for someone who lived near a prominent or...
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Origel
The surname Origel is of Spanish origin and is derived from the word "orilla," meaning "edge" or "bank." It is a toponymic surname, indicating that it was originally used to identify someone who lived...
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Origer
The surname Origer is of German origin and is derived from the Middle High German word "origer," meaning "eagle." It is an occupational surname that likely originated as a nickname for someone with ea...
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Orihuela
The surname Orihuela is of Spanish origin and is derived from the name of a city in the province of Alicante, Spain. The name Orihuela is believed to have originated from the Arabic word "Uriyya" mean...
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Oriley
The surname O'Riley is of Irish origin and is derived from the Gaelic name Ó Raghallaigh, meaning "descendant of Raghallach." The name Raghallach itself is believed to have originated from the Old Nor...
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Surnames that begin with the letter 'O'

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