Cognomen 柏克 (Puck 
, 柏克 
) , in the entire world, is quite a rare family name. The family name 柏克 is characteristic of Belize, where it is quite a rare surname, Austria, and Denmark. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Austria. Also, 柏克 is the forename as well as the last name.