:) No idea why I was not notified about your reply.
Of course, no LDS worker will know anything about Slovakia and its surnames if that worker's ancestry is not Slovak.
The church records you order and view them in the nearest Family History Center Library to you.
Yes, I am aware of the OVA ending but that ending might show up in the later records as up to 1918 they were in Hungarian.
In SK's phone book:http://www.zoznam.sk/hladaj.fcgi?co=telzoznam&s=koso&...
in 1995 KOSO and KOS'O in Slovakia's townshttp://slovniky.juls.savba.sk/?w=koso&c=6a02www.iabsi.com/gen/public