1974Flipped from RepublicanFinal resultsIncumbent defeated
1974 election for Illinois Legislative District 31
Illinois State Senate · Illinois
Bill Morris (D) won with 56.3% of the vote, defeating John H. Conolly (R) by 12.5 points, a seat Republicans won last time.
Bill MorrisDemocrat · winner
56.3%18,818
John H. ConollyRepublican · incumbent
43.7%14,630
33,448 votes
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET
The seat over time
D − R margin in this seat's races around 1974
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET