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Last name Kray (クライ , Kray
) , across the world, is quite a rare cognomen. The surname Kray is habitual in Moldova, where it is quite a rare surname, Germany, where it is a rare surname, and the United States. Measured by absolute frequency, it is the most numerous in the United States, Germany, and Brazil. Very seldom, Kray is the forename as well as the last name.