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Family name Галлис (Gallis , Gallys , Галлис ) , in the world, is quite a rare cognomen. The family name Галлис is habitual in Greece, where it is quite a rare surname, Norway, and Jamaica. Not in comparison with a country's population, it is the most numerous in France, the United States, and Greece. Very seldom, Галлис is the forename as well as the last name.