does have an English version.
Yes, Posteny is one of the old names for Piestany.
You can find it on http://lazarus.elte.hu/hun/maps/1910
in Nyitra megye as Postyen.
Anna was going to ? Maczs(o)Michal in Cleveland, Ohio Franklin Str. No. 127
MACO does list in Piestany's phone book. Actually, a LEHUTA still on Szt. Istvanutcza - Sv. Stefana (Saint Stefan)
What are you trying to find on her? Does she show up with the family on a 1910 census? Family went to family in those old days.