1994Final results
1994 election for Massachusetts Senate District D20
Massachusetts State Senate · Massachusetts
John D. Obrien Jr. (D) won with 60.9% of the vote, defeating Maria Marasco (R) by 21.8 points.
John D. Obrien Jr.Democrat · winner · incumbent
60.9%25,962
Maria MarascoRepublican
39.1%16,685
42,647 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 1994
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET