Cognomen Эрай (Eray 
, Эрай 
) , worldwide, is quite a common surname. The last name Эрай is habitual in Turkey, where it is quite a rare surname, Switzerland, where it is a rare surname, and Mexico. Measured by absolute frequency, the name is most common in Turkey, Mexico, and India. More frequently, Эрай is the forename as well as the last name.