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Cognomen Birkner (Birkner , Биркнер ) , across the world, is quite a common family name. The cognomen Birkner is characteristic of Western Europe, particularly Austria, where it is quite a rare surname, Germany, and Switzerland, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Austria. Much less frequently, Birkner is the forename as well as the last name.