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In all the world, Sisy (文茜 , Sisy , น้องสาว) is quite a common primarily girly, but very seldom boy's forename. The forename Sisy is characteristic of Bolivia, where it is a rare female name, China, where it is a rare principally feminine, but very infrequently male name, and Indonesia, where it is a rare mostly feminine, but uncommonly masculine name. In absolute terms, the name is most common in China, Indonesia, and Algeria. Very seldom, Sisy is the last name as well as the forename.