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Last name Cossio (Cossio
) , in the entire world, is a common cognomen. The cognomen Cossio is habitual in Latin America and the Caribbean, particularly Bolivia, where it is quite a common surname, Peru, and Colombia. In absolute terms, it is commonest in Latin America and the Caribbean, particularly Mexico, Colombia, and Bolivia. Very seldom, Cossio is the forename as well as the last name.