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