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Cognomen Calkin (Calkin
, Цалкин
, カルキン) , around the world, is quite a rare family name. The surname Calkin is characteristic of New Zealand, where it is quite a rare surname, Australia, where it is a rare surname, and the United Kingdom. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Russia. Much less frequently, Calkin is the forename as well as the last name.