1990Flipped from DemocraticFinal resultsIncumbent defeated
1990 election for Massachusetts Senate District D11
Massachusetts State Senate · Massachusetts
Nancy Achin Sullivan (R) won with 54.5% of the vote, defeating Paul J. Sheehy (D) by 9.0 points, a seat Democrats won last time.
Nancy Achin SullivanRepublican · winner
54.5%27,785
Paul J. SheehyDemocrat · incumbent
45.5%23,208
50,993 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 1990
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET