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Worldwide, Usain (Usain , Усейн , يوسين) is quite a rare largely boy's, but infrequently female given name. The given name Usain is characteristic of Jamaica, where it is a rare masculine name, Kazakhstan, and Nigeria, where it is a rare dominantly boy's, but infrequently female name. Measured by absolute frequency, the name is most common in Nigeria, India, and Saudi Arabia. Likewise, Usain is the last name as well as the forename.