1986Final results
1986 election for Maryland Legislative District 45
Maryland State Senate · Maryland
Nathan C. Irby Jr. (D) won with 93.3% of the vote, defeating Mary L. Obrien (R) by 86.5 points.
Nathan C. Irby Jr.Democrat · winner · incumbent
93.3%10,854
Mary L. ObrienRepublican
6.7%784
11,638 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 1986
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET