Cognomen Сии (Shii 
, 四位 , 四井 ) , throughout the world, is quite a rare surname. The surname Сии is habitual in Mauritius, where it is quite a rare surname, Malaysia, and Kenya, where it is a rare surname. Measured by absolute frequency, this name is the most popular in Malaysia, Kenya, and China. Also, Сии is the forename as well as the last name.