I will give you some websites that maybe will make some sense in your research.It is a good idea to post on all the boards that apply to your ancestor.Seems like the surname is German so hopefully German board.If they were Jewish than Jewish board.
The old 1910 Hungarian megye map is at : http://lazarus.elte.hu/hun/maps/1910http://lazarus.elte.hu/hun/maps/1910 A good locator of a town whose name is from the old regime is : www.jewishgen.org/ShtetlSeeker/loctown.htm Since you mentioned Galicia and Polish language here is a website or two : http://maxpages.com/polandhttp://maxpages.com/poland www.pgsa.org www.sggee.org/index.html www.galizien-online.de
A first name translation website : www.fam.aust.com/topolcsany/names The town of Rusor is in Hunyad megye/ county and at present in Romania. The village of Gyulafehervar is in Also-Feher megye and too in Romania now. If LDS-Mormons have not filmed the church records, you might have to consider hiring a researcher in Romania.