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Last name Zirk (Zirk , Зирк ) , globally, is quite a rare cognomen. The family name Zirk is habitual in Estonia, where it is quite a common surname, Germany, where it is a rare surname, and Canada. In absolute terms, it is the most numerous in Germany, the United States, and Estonia. Very seldom, Zirk is the forename as well as the last name.