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Family name Alvear (Alvear , الفير , الفيار) , in the entire world, is a common last name. The surname Alvear is habitual in Latin America and the Caribbean, particularly Chile, where it is quite a common surname, Colombia, and Ecuador, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Colombia, Chile, and Mexico. Very seldom, Alvear is the forename as well as the last name.