Cognomen Morose (Morose 
) , in the world, is a rare surname. The cognomen Morose is habitual in Haiti, where it is quite a rare surname, the Dominican Republic, where it is a rare surname, and Canada, where it is a very rare surname. Not in comparison with a country's population, it is commonest in Haiti, the United States, and France. Much less frequently, Morose is the forename as well as the last name.