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Cognomen Pilon (Pilon , Pilón , Pylône) , around the world, is a common last name. The last name Pilon is characteristic of Canada, where it is quite a common surname, Uruguay, where it is quite a rare surname, and France. In absolute terms, it is the most numerous in Canada, France, and the United States. Much less frequently, Pilon is the forename as well as the last name.