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Cognomen Лейхер (Lejher , Leiher , Лейхер ) , throughout the world, is a rare family name. The cognomen Лейхер is characteristic of Austria, where it is a rare surname, Romania, and Germany, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Germany, the United States, and Russia. Very seldom, Лейхер is the forename as well as the last name.