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Cognomen Waiss (Waiss , 魏斯 , وايس ) , globally, is quite a rare family name. The last name Waiss is characteristic of Djibouti, where it is quite a common surname, Slovenia, where it is quite a rare surname, and Austria, where it is a rare surname. In absolute terms, it most frequently occurs in Djibouti, Brazil, and the United States. Very seldom, Waiss is the forename as well as the last name.