Family name Марсі (Marcy 
, Марсі 
) , in all the world, is quite a common last name. The cognomen Марсі is habitual in Honduras, where it is quite a rare surname, France, and Belgium, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in the United States, France, and Nigeria. More prevalently, Марсі is the forename as well as the last name.