1980Final results
1980 election for Massachusetts State Senate: Bristol–Plymouth
Massachusetts State Senate · Massachusetts
William Q. Maclean Jr. (D) won with 67.4% of the vote, defeating Brett W. Thacher (R) by 34.9 points.
William Q. Maclean Jr.Democrat · winner
67.4%37,949
Brett W. ThacherRepublican
32.5%18,318
56,311 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 1980
The seat's recent races
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)