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Last name Chayer (Chayer , Chaiere ) , in the world, is quite a rare family name. The family name Chayer is habitual in Canada, where it is quite a rare surname, New Zealand, where it is a rare surname, and Algeria. Measured by absolute frequency, it is the most numerous in Canada, the United States, and Algeria. Much less frequently, Chayer is the forename as well as the last name.