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Cognomen Szczęsny (Szczesny , Szczęsny ) , around the globe, is quite a common family name. The surname Szczęsny is habitual in Poland, where it is quite a common surname, Germany, where it is a rare surname, and Ireland. Not in comparison with a country's population, it is commonest in Poland, the United States, and Germany. Likewise, Szczęsny is the forename as well as the last name.
Jan, Dawid, Jacek, Jarek, Jakub, Jerzy, Julia, Julek, Tomek, Filip, Oskar, Witek, Zenon, Marian, Marcel, Marcin, Maciej, Maciek, Monika, Sylwia, Szymon, Adrian, Darek, Denis, Roger, Roman, Ewa, Anna, Ania, Arek, Adam, Adas, Kuba, Lech, Igor, Marta, Cezary, Marek, Antek, Artur, Basia, Beata, Karol, Kamil, Kasia, Paweł, Piotr, Rafał, Aleks, and Bartek