Family name 祖西 (Susie 
, Zusi 
, 祖西 ) , across the world, is quite a rare last name. The family name 祖西 is habitual in Albania, where it is quite a rare surname, Singapore, and Malaysia, where it is a rare surname. In absolute terms, it most frequently occurs in Indonesia, China, and the United States. Much more frequently, 祖西 is the forename as well as the last name.