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Surname Calder (Calder
, كالدر, Колдер
) , throughout the world, is a common cognomen. The family name Calder is habitual in New Zealand, where it is quite a common surname, Jamaica, and Australia, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and Canada. Much less frequently, Calder is the forename as well as the last name.