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Cognomen Khayr (خير , Khayr , Хаир ) , around the globe, is a common family name. The cognomen Khayr is characteristic of Egypt, where it is quite a common surname, Libya, and Syria (explore the name in all countries). Not in comparison with a country's population, it is commonest in Egypt, Sudan, and Syria. Much less frequently, Khayr is the forename as well as the last name.