Last name Ilbay (Ilbay 
) , worldwide, is a rare surname. The cognomen Ilbay is habitual in Andorra, where it is quite a rare surname, Netherlands, where it is a rare surname, and Belgium. In absolute terms, it most frequently occurs in Western Europe, particularly Germany, Netherlands, and France. Very seldom, Ilbay is the forename as well as the last name.
Mr, Elsa, Esra, Eray, Erol, Enes, Emin, Emre, Ebru, Veli, Elif, Isik, Onur, Omar, Okan, Ozan, Yaã, Ziya, Umut, Marco, Mayra, Irem, Juan, Jose, Luis, Ali, Ana, Can, Hã, Ibo, Oya, Mary, Mert, Muge, Suat, Seda, Alex, Andy, Anny, Arda, Arzu, Adem, Ayse, Azmi, Cris, Doã, Mahir, and Mercy