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Cognomen Birn (伯恩 , Birn
, Бирн
) , in the entire world, is quite a rare family name. The last name Birn is characteristic of Denmark, where it is quite a rare surname, Germany, where it is a rare surname, and Finland. In absolute terms, it most frequently occurs in Denmark, China, and Germany. Also, Birn is the forename as well as the last name.