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Surname Pinion (Penna , Billion , Pignon ) , in the entire world, is a common family name. The cognomen Pinion is habitual in Italy, where it is quite a common surname, Reunion, and France, where it is quite a rare surname. Measured by absolute frequency, this name is the most popular in Brazil, Italy, and France. Much less frequently, Pinion is the forename as well as the last name.