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Family name Wilber (Wilber
, Wílber, וילבר
) , globally, is a common surname. The last name Wilber is characteristic of Latin America and the Caribbean, particularly Nicaragua, where it is quite a common surname, Honduras, where it is quite a rare surname, and Peru. Not in comparison with a country's population, the name is most common in the United States, Nicaragua, and Mexico. More prevalently, Wilber is the forename as well as the last name.