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Cognomen Uc (Uc , Úc ) , around the world, is a common last name. The family name Uc is characteristic of Latin America and the Caribbean, particularly Mexico, where it is quite a common surname, Paraguay, where it is quite a rare surname, and Bolivia. Not in comparison with a country's population, it is commonest in Mexico, Myanmar, and Vietnam. Very seldom, Uc is the forename as well as the last name.