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Cognomen Mulaya (Mulaya ) , in the entire world, is a rare surname. The family name Mulaya is habitual in Sub-Saharan Africa, particularly Zambia, where it is a rare surname, Kenya, and the Democratic Republic of the Congo. Measured by absolute frequency, this name is the most popular in India, Kenya, and Zambia. Also, Mulaya is the forename as well as the last name.