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Cognomen 迪爾 (Deal , Diehl , 迪爾 ) , globally, is a common surname. The family name 迪爾 is characteristic of Bahamas, where it is quite a common surname, Germany, and the United States. In absolute terms, the name is most common in the United States, Germany, and Brazil. Much less frequently, 迪爾 is the forename as well as the last name.