Family name Shalay (Shalay 
, Шалай 
, Шалаы ) , in the world, is quite a rare surname. The surname Shalay is habitual in Belarus, where it is quite a rare surname, Ukraine, and Kazakhstan, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Ukraine, Belarus, and Russia. Much less frequently, Shalay is the forename as well as the last name.