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Surname Marsus (Марс , Marsus ) , in all the world, is quite a rare cognomen. The last name Marsus is habitual in Kyrgyzstan, where it is quite a common surname, Armenia, where it is quite a rare surname, and Uzbekistan, where it is a rare surname. In absolute terms, it most frequently occurs in Kyrgyzstan, Indonesia, and Uzbekistan. More frequently, Marsus is the forename as well as the last name.