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Cognomen Галлен (Gallen , Галлен ) , around the globe, is quite a rare surname. The last name Галлен is habitual in Ireland, where it is quite a common surname, New Zealand, where it is quite a rare surname, and Australia. Measured by absolute frequency, it is commonest in the United States, France, and Ireland. Very seldom, Галлен is the forename as well as the last name.