All around the world, 驹 (驹 
, Cau 
, Jū 
) is quite a common mostly masculine, but seldom feminine first name. The first name 驹 is habitual in Vietnam, where it is a rare principally masculine, but very infrequently girly name, Romania, where it is a rare masculine name, and China, where it is a rare primarily male, but scarcely girly name. Not in comparison with a country's population, it is commonest in China, India, and Vietnam. Also, 驹 is the last name as well as the forename.