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Cognomen Sard (Sarda , Sard , Sarde ) , in all the world, is a common last name. The surname Sard is habitual in Guernsey, where it is quite a common surname, Guadeloupe, and France, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in India, France, and Philippines. Likewise, Sard is the forename as well as the last name.