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Last name Estrin (Estrin , אסתרין , Эстрин ) , in the world, is quite a rare family name. The cognomen Estrin is habitual in Israel, where it is quite a rare surname, Estonia, and Latvia, where it is a rare surname. Measured by absolute frequency, the name is most common in Russia, the United States, and Israel. Much less frequently, Estrin is the forename as well as the last name.