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Cognomen Birrer (Birrer
) , in all the world, is quite a rare surname. The last name Birrer is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Liechtenstein, and Austria, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Switzerland, the United States, and France. Very seldom, Birrer is the forename as well as the last name.