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All around the world, 克坚 (Kejian , 克坚 ) is quite a rare predominantly male, but scarcely feminine first name. The first name 克坚 is habitual in China, where it is a rare primarily male, but very seldom girly name, and the United States, where it is an extremely rare mostly boy's, but uncommonly feminine name. Much less frequently, 克坚 is the last name as well as the forename.