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Cognomen Jamrozy (Jamrozy ) , around the world, is a rare family name. The last name Jamrozy is habitual in Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and Germany, where it is a very rare surname. In absolute terms, it is commonest in Poland, the United States, and Germany. More prevalently, Jamrozy is the forename as well as the last name.