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Cognomen Мах (Mah , Mach , Мах ) , in all the world, is a common surname. The cognomen Мах is habitual in Czechia, where it is quite a common surname, Singapore, and U.S. Virgin Islands (explore the name in all countries). In absolute terms, it is the most numerous in Malaysia, Czechia, and the United States. Also, Мах is the forename as well as the last name.