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Cognomen Malkus (Malkus , Малкус , ماكوس) , in the entire world, is quite a rare family name. The family name Malkus is characteristic of Czechia, where it is quite a rare surname, Cyprus, and Poland, where it is a rare surname. Measured by absolute frequency, the name is most common in Germany, the United States, and Poland. Likewise, Malkus is the forename as well as the last name.