Last name 默西 (Mercy 
, Murthy 
, Mersey ) , in the world, is a widespread family name. The last name 默西 is habitual in Sub-Saharan Africa, particularly Nigeria, where it is a common surname, Cameroon, where it is quite a common surname, and Ghana (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Nigeria, India, and Kenya. Also, 默西 is the forename as well as the last name.