Last name 昆西 (Quincy 
, Quincey 
, 昆西 ) , in the world, is quite a rare family name. The family name 昆西 is characteristic of Mauritius, where it is quite a rare surname, Ghana, and France, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in the United States, France, and the United Kingdom. More frequently, 昆西 is the forename as well as the last name.