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Cognomen Delva (Delva , Дельва ) , around the globe, is quite a common family name. The family name Delva is habitual in Haiti, where it is quite a common surname, Bahamas, and Belgium, where it is quite a rare surname. In absolute terms, this name is the most popular in Haiti, the United States, and Belgium. Likewise, Delva is the forename as well as the last name.