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In the entire world, トリス (Tris , トリス ) is quite a common gender-neutral first name. The forename トリス is habitual in Indonesia, where it is quite a rare unisex name, Hong Kong, where it is a rare female name, and Singapore, where it is a rare gender-neutral name. Measured by absolute frequency, it is commonest in Indonesia, the United States, and India. Much less frequently, トリス is the last name as well as the forename.