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Around the world, Ilkay (Ilkay
) is quite a rare gender-neutral first name. The first name Ilkay is habitual in Turkey, where it is quite a rare epicene name, Bulgaria, where it is a rare masculine name, and Belgium, where it is a rare gender-neutral name. Measured by absolute frequency, it most frequently occurs in Turkey, Germany, and France. Much less frequently, Ilkay is the last name as well as the forename.
An, Aktaş, Aydın, Kaplan, Keskin, Doğan, Ozturk, Yilmaz, Yildiz, Çelik, Çetin, Şahin, Korkmaz, Demirci, Güneş, Yıldız, Yılmaz, Kılıç, Yildirim, Özdemir, Arslan, Özer, Uysal, Yavuz, Lu, Can, Acar, Kara, Kaya, Kurt, Gül, Uzun, Şen, Öztürk, Sahin, Aydin, Celik, Bulut, Polat, Deniz, Demir, Dogan, Tekin, Ilhan, Aslan, and Yıldırım