My records do not match your area IL/MN. But perhaps you can search for their marriage records or here I found a WWII web page that included a Edward F Symanski...so check military records too. I found the following just by doing a google search on his name.
source:
http://www.norfield-publishing.com/449th/FlightEchelon/716th...abstract:
The 716th Squadron Air Crew Personnel of the Original Cadre Assigned to the 449th Bomb Group
Crew 6-13,
Sgt Edward F Szymanski