In the entire world, Jirák (Jirák 
) is an extremely rare unknown gender given name. Much more frequently, Jirák is the last name as well as the forename.
Dan, Robert, Rudolf, Daniel, Luboš, Jiří, Bohumil, Dominik, Lukáš, Tomáš, Ondřej, Zdeněk, Miroslav, Přemysl, Jaroslav, Jaromír, Vojtěch, Stanislav, Michal, Rostislav, Miloš, Ondra, Jan, Ota, Adam, Kuba, Petr, Milan, Karel, Pavel, Radek, Roman, David, Libor, Jarda, Jakub, Josef, Honza, Filip, Martin, and Jindřich