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Around the world, Jerko (Jerko , Єрко , Йерко ) is quite a rare boy's first name. The first name Jerko is habitual in Croatia, where it is quite a common masculine name, Belgium, where it is a rare masculine name, and Chile, where it is a very rare male name. Likewise, Jerko is the last name as well as the forename.
Knez, Bašić, Bačić, Pecotić, Jerkić, Tanfara, Šarić, Šimić, Stipišić, Sladoljev, Bonačić, Bošnjak, Rukavina, Grubisic, Jakšić, Vlašić, Schreiber, Kovačić, Perković, Roguljić, Grubišić, Kovačević, Barnjak, Gospodnetić, Šimac, Hrabar, Roso, Leko, Saric, Boban, Radan, Jurin, Tomas, Matić, Bakota, Buljan, Bilić, Kelava, Perić, Penava, Penić, Pejić, Radić, Galić, Jurić, Jukić, Tomić, Zorica, and Vladislavić