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Last name Spir (Spire , Spir , Спир ) , in the world, is quite a rare family name. The last name Spir is characteristic of North Macedonia, where it is quite a rare surname, France, where it is a rare surname, and Slovakia. In absolute terms, it is commonest in France, the United States, and North Macedonia. Much less frequently, Spir is the forename as well as the last name.