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Across the world, Ivailo (Ivailo , Ивайло ) is quite a rare male first name. The given name Ivailo is habitual in Bulgaria, where it is quite a common masculine name, Greece, where it is a rare boy's name, and Romania. Measured by absolute frequency, it most frequently occurs in Bulgaria, Romania, and Italy. Much less frequently, Ivailo is the last name as well as the forename.
Mitev, Genchev, Lazarov, Todorov, Nikolov, Hristov, Vasilev, Velikov, Mihailov, Mladenov, Simeonov, Stefanov, Stoianov, Stoyanov, Atanasov, Dimitrov, Georgiev, Grigorov, Jordanov, Iordanov, Yordanov, Kostadinov, Kirilov, Borisov, Cvetkov, Antonov, Stoev, Kolev, Popov, Rusev, Dimov, Iliev, Stoqnov, Spasov, Slavov, Asenov, Vladimirov, Kostov, Petrov, Petkov, Dobrev, Ivanov, Marinov, Manolov, Milanov, Minchev, Andreev, Angelov, Pavlov, and Aleksandrov