Cognomen מורקוס (Morcos 
, Murkus 
, מורקוס ) , throughout the world, is a common family name. The cognomen מורקוס is habitual in Lebanon, where it is quite a common surname, Egypt, where it is quite a rare surname, and United Arab Emirates. Not in comparison with a country's population, it most frequently occurs in Egypt, Lebanon, and the United States. Much less frequently, מורקוס is the forename as well as the last name.