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Last name Spier (Speier , Spier , スピア) , globally, is quite a common family name. The family name Spier is habitual in Suriname, where it is quite a common surname, Germany, where it is quite a rare surname, and Netherlands. Not in comparison with a country's population, it most frequently occurs in Germany, the United States, and Brazil. Much less frequently, Spier is the forename as well as the last name.