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Surname Gisen (Gisen ) , in the entire world, is a very rare family name. The cognomen Gisen is habitual in Australia, where it is a very rare surname, Argentina, and Malaysia, where it is an extremely rare surname. Not in comparison with a country's population, the name is most common in Australia, Argentina, and the United States. Much more frequently, Gisen is the forename as well as the last name.