Cognomen Marex (Marex 
) , in the world, is a rare surname. The cognomen Marex is characteristic of Georgia, where it is quite a common surname, Nicaragua, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Georgia, Nigeria, and the United States. Also, Marex is the forename as well as the last name.