Throughout the world, Блэй (Blay 
, Блэй) is quite a rare primarily masculine, but scarcely female first name. The forename Блэй is characteristic of Ghana, where it is quite a rare masculine name, Israel, and Cuba, where it is a rare female name. In absolute terms, the name is most common in Ghana, Ethiopia, and Israel. More frequently, Блэй is the last name as well as the forename.