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Throughout the world, Olier (Olier , אולייר ) is a rare principally masculine, but very seldom feminine first name. The forename Olier is characteristic of Latin America and the Caribbean, particularly Costa Rica, where it is a rare masculine name, Colombia, and Peru, where it is a very rare masculine name. Measured by absolute frequency, it is commonest in Latin America and the Caribbean, particularly Colombia, Brazil, and Costa Rica. More prevalently, Olier is the last name as well as the forename.