Surnames that begin with the letter 'O'

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

Olzak
The surname Olzak is of Polish origin and is derived from the personal name Olek, a diminutive form of Aleksander. It is a patronymic surname, meaning it was originally used to identify the descendant...
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Om
The surname Om is of Korean origin and is derived from the Korean word "om" meaning "quiet" or "peaceful." It is a relatively uncommon surname and is often found among individuals of Korean descent. T...
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Omahen
The surname Omahen is of Slovenian origin and is derived from the personal name Oma, which is a short form of the name Thomas. The suffix -hen is a diminutive form, indicating "son of." Therefore, Oma...
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Omahoney
The surname Omahoney is of Irish origin and is derived from the Gaelic name Ó Mathghamhna, which means "descendant of Mathghamhain." Mathghamhain is a personal name that is believed to have originated...
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Omahony
The surname Omahony is of Irish origin and is derived from the Gaelic name Ó Mathghamhna, which means "descendant of Mathghamhain." Mathghamhain is a personal name that is believed to have originated ...
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Omaley
The surname Omaley is of Irish origin and is derived from the Gaelic name Ó Máille, meaning "descendant of Máille." The name Máille is believed to be a personal name derived from the word "máel," whic...
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Omalia
The surname Omalia is of Irish origin and is derived from the Gaelic name Ó Maoláidh, which means "descendant of Maoláidh." The name Maoláidh is composed of the elements "maol," meaning "bald" or "ton...
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Omalley
The surname O'Malley is of Irish origin and is derived from the Gaelic name Ó Máille, meaning "descendant of Máille." The name Máille is believed to have originated from the Gaelic word "máel," which ...
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Omally
The surname O'Mally is of Irish origin and is derived from the Gaelic name Ó Máille, meaning "descendant of Máille." The name Máille is believed to be a personal name derived from the Gaelic word "mál...
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Oman
The surname Oman is of English origin and has multiple possible meanings. It could be a habitational name for someone from a place called Oman, which is derived from the Old English word "ofer" meanin...
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Surnames that begin with the letter 'O'

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