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In the entire world, 戴伊 (Dey , Dye , 戴伊 ) is quite a common epicene first name. The first name 戴伊 is habitual in Mauritania, where it is quite a rare male name, Bolivia, where it is quite a rare gender-neutral name, and Paraguay, where it is quite a rare female name. Not in comparison with a country's population, it most frequently occurs in India, Indonesia, and Bangladesh. Much more frequently, 戴伊 is the last name as well as the forename.
戴伊 is also a name for the fictitious and mythical characters: .