| Ogleesha | Native Amer.. | Meaning "red shirt." From the Dakot.. |  |  |
| Ogow | Native Amer.. | Meaning "doe." From the Potawatomi... | | |
| Ogun | Nigerian | Meaning "God of war." | | |
| Oh'to-Ah-.. | Native Amer.. | Seven bulls. Osage. The name was bo.. | | |
| Ohanko | Native Amer.. | Meaning "incautious." Source unknow.. |  | |
| Ohantia | Hebrew | Meaning "God's gracious gift."
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| Ohanzee | Native Amer.. | Shadow. Sioux, | | |
| Ohela | Hebrew | Derived from the Hebrew ohel (tent).. | | |
| Oheo | Native Amer.. | Beautiful. Iroquois | | |
| Ohitekah | Native Amer.. | Brave. Sioux | | |
| Ohiyesa | Native Amer.. | Sioux name borne by Charles Alexand.. | | |
| Ohm | African | Meaning "chief." | | |
| Ohnicio | Irish | Irish form of Honor (honor). See H.. | | |
| Oibhe | Irish | Meaning "olive."
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| Oighrig | Scottish | Of uncertain derivation, some think.. | | |
| Oilbhries | Scottish | Gaelic form of Oliver, a name of de.. | | |
| Oisin | Irish | Diminutive form of os (a deer): hen.. | | |
| Ojasvee | Hindu | Luster, sheen, vitality | | |
| Ojinjintk.. | Native Amer.. | Rose. Sioux | | |
| Ojo | Nigerian | Meaning "a difficult birth."
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| Ojore | African | A man of war, soldier. Ateso, Ugand.. | | |
| Ojore | Ugandan | Meaning "a warrior."
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| Okalatii | Hawaiian | Meaning "heaven." | | |
| Okechuku | African | A gift of God. Ibo, Nigeria | | |
| Okello | African | Born after twins. Ateso, Uganda | | |
| Okemos | Native Amer.. | Little chief. Ojibway | | |
| Oki | Japanese | Meaning "middle of the ocean."
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| Okie | American | "From Oklahoma." | | |
| Oko | Ghanaian | Meaning "the elder of twins." | | |
| Okomi | Native Amer.. | An Arapaho name meaning "coyote."
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| Okot | Ugandan | Meaning "born when it is raining." .. | | |
| Okoth | Kenyan | Meaning "born when it is raining." .. | | |
| Okpara | African | First-born son. Ibo, Nigeria | | |
| Okpara | Nigerian | A name that means "the first son."
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| Oksana | Russian | Popular name of Hebrew origin meani.. | | |
