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In all the world, Kaiya (Kaiya , 开亚 , كايا ) is quite a rare epicene first name. The first name Kaiya is characteristic of Ireland, where it is a rare female name, India, where it is a rare dominantly female, but seldom male name, and Sudan, where it is a rare male name. Not in comparison with a country's population, the name is most common in India, China, and the United States. Also, Kaiya is the last name as well as the forename.