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Family name Ragin (瑞金 , Ragin
, Рагин
) , worldwide, is quite a common cognomen. The cognomen Ragin is habitual in Bulgaria, where it is quite a rare surname, Lithuania, where it is a rare surname, and the United States. Measured by absolute frequency, it is commonest in China, the United States, and Bulgaria. More frequently, Ragin is the forename as well as the last name.