Last name Ранси (Runcie 
, Ранси 
) , all over the world, is a rare family name. The cognomen Ранси is habitual in Malta, where it is quite a rare surname, Jamaica, and the United Kingdom, where it is a rare surname. Not in comparison with a country's population, it is commonest in the United Kingdom, the United States, and Canada. Very seldom, Ранси is the forename as well as the last name.