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In all the world, Ylla (Ylla , Илла , Ілла ) is a rare gender-neutral forename. The first name Ylla is characteristic of Ukraine, where it is a very rare principally feminine, but very seldom male name, Russia, where it is a very rare female name, and Brazil, where it is a very rare dominantly girly, but infrequently masculine name. In absolute terms, it is commonest in China, Ukraine, and Brazil. More frequently, Ylla is the last name as well as the forename.