Surname 贝勒 (贝勒 
, Bailor 
, Bailar 
) , across the world, is quite a rare cognomen. The family name 贝勒 is habitual in Sierra Leone, where it is quite a rare surname, Switzerland, and Georgia. In absolute terms, it is commonest in the United States, Germany, and Sierra Leone. Very seldom, 贝勒 is the forename as well as the last name.