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Worldwide, Dupe (Dupe , Duppe , Duppy ) is a common principally girly, but very infrequently male first name. The given name Dupe is habitual in Nigeria, where it is quite a common predominantly girly, but very seldom male name, Jamaica, where it is a rare boy's name, and the United Kingdom, where it is a very rare predominantly feminine, but very infrequently masculine name. Measured by absolute frequency, this name is the most popular in Nigeria, India, and the United Kingdom. Also, Dupe is the last name as well as the forename.