World Heavyweight Title
[Illinois]

Walter Palmer	43/12<
Still champion as of 44/09/12.
[...]
Dave Levin	44/11/28<
Still champion as of 44/12/26.
[...]
Bronko Nagurski	46/07/18<
[...]
Walter Palmer [2]	47/03<
Hans Schnabel	47/03/29
Awarded after Palmer is injured on 47/03/25; still champion as of 47/08.
[...]
Dave Levin [2]	47/11/21<
Recognized as world champion in Illinois.
Walter Palmer [3]	47/12/12<	Minneapolis, MN *
Hans Schnabel [2]	48/02/10<
Sometime after 48/01/06.
Rudy Kay	48/11/02	Rockford, IL
May be recognized only in Rockford.
Walter Palmer [4]	48/11/12	Rockford, IL
May be recognized only in Rockford; defeats Schnabel on 48/11/24 in Chicago, IL.
Gorgeous George	49/03/04	Chicago, IL
Hans Schnabel [3]	49/04/29	Chicago, IL
Walter Palmer [5]	49/05/19	Chicago, IL
Cyclone Anaya	49/08/30	Rockford, IL
Don Eagle	49/11/18	Chicago, IL
Also defeats Frank Sexton on 50/05/23 in Cleveland, OH to win AWA (Boston) World Title.

* N.W.A. World Heavyweight Title is recognized after 1949.