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Last name Heir (Eir
, Heir
, Хейр
) , in all the world, is quite a rare surname. The cognomen Heir is habitual in Northern Europe, particularly Iceland, where it is quite a rare surname, Norway, and Estonia. Not in comparison with a country's population, it is commonest in Algeria, the United States, and Myanmar. Much less frequently, Heir is the forename as well as the last name.