Family name Jirsak (Jirsak 
) , around the world, is a rare surname. The last name Jirsak is characteristic of Czechia, where it is quite a rare surname, Slovakia, where it is a rare surname, and Croatia. Measured by absolute frequency, this name is the most popular in Germany, Czechia, and Austria.
| mirko jirsak (b. 1909) |
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| predrag jirsak (b. 1941) |
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Mr, Ivana, Marion, Martin, Mislav, Samuel, Sascha, Sylvia, Annett, Bianca, Libuse, Nicole, Helmut, Hrvoje, Mariola, Michael, Andreas, Annette, Dominik, Jazmine, Stefanie, Gabriele, Iskra, Jennifer, Frank, Horst, Ms, Jan, Jay, Uwe, Mary, Mona, Petr, Rene, Jens, Mario, Andre, Carla, Bernd, Pavel, Peter, Radek, Larry, Janet, Jörg, Tomas, Helga, Honza, and Virginia