1992Final results
1992 election for Illinois Representative District 55
Illinois House of Representatives · Illinois
Rosemary Mulligan (R) won with 64.1% of the vote, defeating Robert J. Cassidy (D) by 28.3 points.
Rosemary MulliganRepublican · winner
64.1%25,851
Robert J. CassidyDemocrat
35.9%14,450
40,301 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 1992
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET