Cognomen Bilkay (Bilkay 
) , all over the world, is a rare family name. The surname Bilkay is habitual in Turkey, where it is a rare surname, Belgium, where it is a very rare surname, and Netherlands. Not in comparison with a country's population, this name is the most popular in Turkey, Germany, and Belgium. Much less frequently, Bilkay is the forename as well as the last name.
Mr, Ugur, Ufuk, Mesut, Metin, Memet, Murat, Musab, Mutlu, Samet, Sibel, Selma, Selda, Sevda, Sevgi, Sedat, Seyit, Adnan, Aslan, Ayşe, Ayhan, Ahmed, Okan, Onur, Irem, Emre, Ali, Ada, Can, Eda, Mert, Mete, Musa, Suna, Sena, Sefa, Ahmet, Arzu, Adil, Ayse, Banu, Kaan, Nisa, Elif, Esra, Eray, Enes, Emel, Adem, and Ahsen