Family name Gajsek (Gajsek 
) , across the world, is quite a rare last name. The family name Gajsek is characteristic of Slovenia, where it is quite a common surname, Serbia, where it is quite a rare surname, and Czechia, where it is a rare surname. Measured by absolute frequency, the name is most common in Slovenia, Serbia, and Germany.
Mr, Urska, Martin, Monika, Miriam, Alenka, Alfred, Branko, Primoz, Rezita, Daniel, George, Jelena, Noella, Zdenka, Martina, Antonin, Tatjana, Miroslav, Lorraine, Tomislav, Stephanie, Iztok, Franc, Tasha, Johan, Ms, Ana, Leo, Tim, Eva, Samo, Alen, Alja, Luka, Tina, Christian, Nina, Marko, Matic, Matej, Mitja, Anton, Breda, Dejan, David, Goran, Janez, Mario, and Christina