Cognomen 基伦 (Kiren 
, Kieren 
, 基伦 
) , all around the world, is quite a common family name. The surname 基伦 is habitual in Ireland, where it is quite a rare surname, Australia, and Liberia. Not in comparison with a country's population, it is the most numerous in the United States, the United Kingdom, and Australia. Likewise, 基伦 is the forename as well as the last name.