1986Final results
1986 election for Massachusetts House District 109
Massachusetts House of Representatives · Massachusetts
Robert H. Marsh (R) won with 57.4% of the vote, defeating Frances P. Oleary (D) by 14.8 points.
Robert H. MarshRepublican · winner
57.4%7,946
Frances P. OlearyDemocrat
42.6%5,896
13,846 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