Surnames that begin with the letter 'O'

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

Onofrio
The surname Onofrio is of Italian origin and is derived from the given name Onofrio, which is the Italian form of the Latin name Onuphrius. The name Onuphrius itself is derived from the Greek word "on...
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Onopa
The surname Onopa is of Ukrainian origin and is derived from the word "onopka," which means "mule" in Ukrainian. It is believed to have originally been a nickname for someone who had the characteristi...
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Onorati
The surname Onorati is of Italian origin and is derived from the word "onore," meaning "honor" in English. It is a patronymic surname, indicating that it was originally used to identify the descendant...
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Onorato
The surname Onorato is of Italian origin and is derived from the Italian word "onorato," meaning "honored" or "respected." It is a patronymic surname, indicating that it was originally used to identif...
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Onori
The surname Onori is of Italian origin and is derived from the word "onore," meaning "honor" in English. It is a patronymic surname, indicating that it was originally used to identify the descendants ...
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Onorio
The surname Onorio is of Italian origin and is derived from the Latin word "honorus," meaning "honor" or "respect." It is a patronymic surname, indicating that it was originally used to identify the d...
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Onque
The surname Onque is of French origin and is derived from the word "oncle," meaning "uncle." It is believed to have originated as a nickname for someone who was an uncle or had an uncle-like personali...
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Onsager
The surname Onsager is of Norwegian origin and is derived from the Old Norse personal name Ásgeirr, which means "god's spear." The name Onsager is a patronymic surname, indicating that it was original...
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Onsgard
The surname Onsgard is of Norwegian origin and is derived from the Old Norse personal name "Ásgarðr," meaning "enclosure of the gods." It is a combination of "Ás," meaning "god," and "garðr," meaning ...
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Onsrud
The surname Onsrud is of Norwegian origin and is derived from the Old Norse personal name "Onundr," meaning "ancestor's wave" or "ancestor's spirit," combined with the element "rud," meaning "clearing...
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Surnames that begin with the letter 'O'

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