Cognomen Datay (Datay 
) , all over the world, is a rare surname. The surname Datay is habitual in Philippines, where it is a rare surname, Saudi Arabia, where it is a very rare surname, and South Africa. Much less frequently, Datay is the forename as well as the last name.
Kel, James, Jaime, Johan, Jolly, Elsie, Elmer, Edwin, Ervin, Henry, Helen, Freda, Isaac, Irene, Iqbal, Marian, Manuel, Melvin, Salome, Shuaib, Susana, Sergio, Lorna, Sotero, Gilda, Gerry, Joy, Adam, Rose, Rene, Ryan, Joey, Jean, Juan, Myrna, Siony, Aljon, Arvin, Agnes, Aicel, Kervy, Rodel, Recie, Ricky, Ruben, Dante, David, Grace, and Albert