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Globally, Islas (Islas , Ислас) is a rare largely male, but infrequently female first name. The first name Islas is habitual in Brazil, where it is a very rare principally masculine, but scarcely female name, Mexico, where it is a very rare gender-neutral name, and the United States, where it is an extremely rare mostly boy's, but uncommonly girly name. Measured by absolute frequency, it is the most numerous in India, Brazil, and Mexico. Much more prevalently, Islas is the last name as well as the forename.