Thread:Eras of Arda Team/@comment-28565579-20170718110859/@comment-26949898-20170719143630

No, Fays are lesser Ainur. Tolkien's Gateway (more reliable wiki) "The sprites and fays were part of what apparently was a three-fold division of the lesser  Ainu spirits:  sylphs (spirits of the air), sprites (spirits of the earth), and  water spirits."