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Across the world, Usi (Usi , Уси ) is quite a common epicene first name. The first name Usi is characteristic of Indonesia, where it is a rare epicene name, Nigeria, where it is a rare dominantly boy's, but seldom girly name, and Tanzania, where it is a rare epicene name. Measured by absolute frequency, it most frequently occurs in Indonesia, India, and Nigeria. Also, Usi is the last name as well as the forename.