1981Final results
1981 election for Kentucky House District 31
Kentucky House of Representatives · Kentucky
Mark Obrien (D) won with 54.2% of the vote, defeating William S. Duffy (R) by 8.4 points.
Mark ObrienDemocrat · winner · incumbent
54.2%6,523
William S. DuffyRepublican
45.8%5,509
12,032 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 1981
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET