Surname Ivailov (Ivailov 
) , in the entire world, is a very rare family name. The last name Ivailov is habitual in Bulgaria, where it is quite a rare surname, Spain, where it is an extremely rare surname, and Russia.
Ivo, Pavlin, Daniel, Georgi, Teodor, Evgeni, Ivailo, Ivelin, Ognemir, Yulian, Svetlio, Antonio, Chavdar, Bogomil, Gabriel, Lubomir, Nikolai, Borislav, Denislav, Vladislav, Kaloqn, Aleksandar, Stefan, Metodi, Alex, Boby, Joro, Tedy, Nick, Niki, Emil, Ivan, Mario, Milen, Misho, Sasho, Angel, Denis, Lyubo, Encho, Vasil, Marian, Martin, Mihail, and Konstantin