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Last name Siper (Zipper , Siper ) , worldwide, is quite a rare cognomen. The family name Siper is habitual in Israel, where it is quite a rare surname, Austria, and Germany, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Germany, the United States, and France. Much less frequently, Siper is the forename as well as the last name.