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Cognomen Hayer (Hay , Haye , Hayer ) , worldwide, is a common family name. The last name Hayer is habitual in Jersey, where it is a common surname, Jamaica, where it is quite a common surname, and New Zealand (explore the name in all countries). Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Pakistan. Also, Hayer is the forename as well as the last name.