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Throughout the world, Kelei (克雷 , 可磊 , 科雷 ) is quite a rare principally masculine, but scarcely female first name. The first name Kelei is characteristic of China, where it is a rare principally boy's, but scarcely girly name, Brazil, where it is a very rare girly name, and the United States, where it is an extremely rare dominantly feminine, but uncommonly boy's name. In absolute terms, this name is the most popular in China, India, and Brazil. Much less frequently, Kelei is the last name as well as the forename.