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Cognomen Hailes (Hailes ) , in the world, is quite a rare last name. The last name Hailes is habitual in New Zealand, where it is quite a rare surname, Australia, and the United Kingdom, where it is a rare surname. In absolute terms, this name is the most popular in the United Kingdom, the United States, and Australia. Much less frequently, Hailes is the forename as well as the last name.