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Cognomen Langsir (Ranger , Renc , Langsir ) , in the world, is a common surname. The last name Langsir is habitual in Jamaica, where it is quite a common surname, Bahamas, and Canada, where it is quite a rare surname. Not in comparison with a country's population, it most frequently occurs in Canada, Indonesia, and the United States. Very seldom, Langsir is the forename as well as the last name.