There is a town in the Slovak Republic called Kosanice. Prior to World War I, it was part of the Austro-Hungarian Empire. The Austrian (German) name for this town was Kaschau, the Hungarian name was Kassa.
Some records for this place are available online at familysearch.org: https://familysearch.org/search/image/index#uri=https://fami...
This is just a wild guess.
Here is a link to a 1910-era gazetteer of the Austrian Empire:http://www.austriahungary.info/en/gazetteer1900
There are lots of possibilities.