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Last name Codd (科德 , Codd ) , in the entire world, is quite a rare family name. The family name Codd is characteristic of Belize, where it is quite a common surname, Ireland, where it is quite a rare surname, and the United Kingdom. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Ireland. Much less frequently, Codd is the forename as well as the last name.