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Last name Gruss (Gruss , גרוס , غروس ) , all around the world, is quite a common surname. The family name Gruss is characteristic of Israel, where it is quite a common surname, Germany, where it is quite a rare surname, and Czechia, where it is a rare surname. In absolute terms, it is commonest in Israel, Germany, and the United States. Very seldom, Gruss is the forename as well as the last name.