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Surname Liefer (Liefer
) , in all the world, is a rare last name. The cognomen Liefer is habitual in the United States, where it is a rare surname, Germany, and New Zealand, where it is a very rare surname. Not in comparison with a country's population, it is commonest in the United States, Germany, and South Africa. Very seldom, Liefer is the forename as well as the last name.