Family name 克金 (克金 
, Kejin 
, Culkin 
) , in all the world, is quite a rare surname. The family name 克金 is habitual in Northern Europe, particularly Isle of Man, where it is quite a rare surname, Ireland, and the United Kingdom, where it is a rare surname. Not in comparison with a country's population, it is commonest in China, the United States, and the United Kingdom. More prevalently, 克金 is the forename as well as the last name.