| Oneida | American | Derived from the Iroquois Oneiute (.. |  |  |
| Oneida | Native Amer.. | A tribal name that means "standing .. | | |
| Onella | Hungarian | Meaning "light." | | |
| Oni | African | Desired, wanted. Benin, Nigeria |  | |
| Oni | Nigerian | Meaning "born in a sacred abode."
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| Oniatario | Native Amer.. | Sparkling or beautiful water, fine .. | | |
| Onii | African | Born in a sacred place. Yoruba, Nig.. | | |
| Onssi | Native Amer.. | Meaning "eagle." From the Choctaw.
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| Oona | Irish | An ancient Irish name meaning ".. | | |
| Opa | Native Amer.. | Owl. Choctaw | | |
| Opal | English | Taken from opal (a semiprecious gem.. |  | |
| Opal | Mythology a.. | The name of the iridescent semiprec.. |  | |
| Opal | Indian | Meaning "precious stone." | | |
| Ophelia | English | Believed to have been coined by San.. | | |
| Ophelia | Greek | Derived from the Greek ophelia (a h.. | | |
| Ophelie | French | French cognate of Ophelia, a name b.. | | |
| Ophira | Hebrew | Borrowed from the name of a region .. | | |
| Ophrah | Biblical | Hebrew name meaning "a fawn." I.. | | |
| Ophrah | Hebrew | A fawn. The name is borne in the Bi.. | | |
| Oprah | Hebrew | An alternate form of Orpah. One of .. | | |
| Orah | Hebrew | Light | | |
| Oralee | Hebrew | This means "the Lord is my light." | | |
| Oralia | French | A form of the Latin Aurelia, mean.. | | |
| Orenda | Native Amer.. | Meaning "magical power." From the I.. | | |
| Oriana | English | Of uncertain derivation and meaning.. | | |
| Oriana | Italian | Of uncertain derivation and meaning.. | | |
| Oriane | French | Of uncertain derivation and meaning.. | | |
| Oriel | English | Of debated etymology, some believe .. | | |
| Orihlaith | Irish | Old name meaning "golden lady." Or-.. | | |
| Orinda | Hebrew | A name that has the meaning "pine t.. | | |
| Orino | Japanese | Meaning "worker's field." | | |
| Orithyia | Mythology a.. | Derived from the Greek Oreithyia, a.. | | |
| Orla | Irish | Anglicized form of Orfhlaith (golde.. | | |
| Orlain | African-Ame.. | Modern coinage of uncertain derivat.. | | |
| Orlaith | Irish | Anglicized form of Orfhlaith (golde.. | | |
