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Cognomen Derby (Derby , Derbi , 德比 , and others...) , all over the world, is a common family name. The surname Derby is characteristic of Suriname, where it is quite a common surname, Jamaica, where it is quite a rare surname, and Kosovo. In absolute terms, it is commonest in the United States, Ghana, and the United Kingdom. Likewise, Derby is the forename as well as the last name.