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In the entire world, オオバ (オオバ , Oba , Ooba ) is a common epicene first name. The first name オオバ is characteristic of Nigeria, where it is quite a rare gender-neutral name, Ethiopia, where it is quite a rare masculine name, and Egypt, where it is a rare gender-neutral name. Not in comparison with a country's population, this name is the most popular in Nigeria, Ethiopia, and India. More prevalently, オオバ is the last name as well as the forename.