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Cognomen Ayre (Ayre , 艾尔 , Эйр ) , globally, is quite a common surname. The last name Ayre is habitual in the United Kingdom, where it is quite a rare surname, Jamaica, and Australia. Measured by absolute frequency, it is the most numerous in the United Kingdom, the United States, and Australia. Much less frequently, Ayre is the forename as well as the last name.