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All over the world, Hierro (Heru , Yero , Hierro ) is a widespread principally male, but very infrequently girly first name. The first name Hierro is habitual in Indonesia, where it is quite a common principally masculine, but scarcely female name, Gambia, where it is quite a common male name, and Senegal. In absolute terms, it is commonest in Indonesia, Nigeria, and Senegal. Very seldom, Hierro is the last name as well as the forename.