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Cognomen Dayas (Dayas ) , around the world, is quite a common family name. The family name Dayas is habitual in the Democratic Republic of the Congo, where it is quite a rare surname, Kuwait, where it is a rare surname, and Cameroon. Measured by absolute frequency, it most frequently occurs in India, the Democratic Republic of the Congo, and Cameroon. Much less frequently, Dayas is the forename as well as the last name.