Around the world, 克思 (Kesi 
, 克思 ) is a common mostly girly, but seldom masculine first name. The given name 克思 is habitual in Albania, where it is quite a rare epicene name, India, where it is quite a rare mostly female, but uncommonly masculine name, and Tanzania, where it is quite a rare mostly male, but infrequently female name. In absolute terms, this name is the most popular in India, China, and Indonesia. Very seldom, 克思 is the last name as well as the forename.