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Cognomen Šiška (Schischke , Šiška , Шишка ) , in the world, is quite a rare family name. The cognomen Šiška is habitual in Eastern Europe, particularly Slovakia, where it is quite a rare surname, Ukraine, and Czechia. In absolute terms, it is the most numerous in Eastern Europe, particularly Ukraine, Czechia, and Russia. Very seldom, Šiška is the forename as well as the last name.
Jan, Peter, Radim, Radek, Roman, David, Janko, Jasna, Jakub, Josef, Jozef, Juraj, Jirka, Tomas, Tonda, Tibor, Honza, Vojta, Filip, Ondra, Martin, Matúš, Pavol, Matěj, Pavel, Anton, Tia, Eva, Ing, Majo, Adam, Aďo, Kiko, Petr, Pepa, Dana, Ján, Veli, Ivan, Igor, Marko, Marek, Matej, Milan, Mirek, Mitja, Aleš, Karel, and Morgan