1978Final results
1978 election for Massachusetts's 10th District
U.S. House · Massachusetts
Margaret M. Heckler (R) won with 61.1% of the vote, defeating John J. Marino (D) by 22.3 points.
Margaret M. HecklerRepublican · winner
61.1%102,080
John J. MarinoDemocrat
38.9%64,868
166,957 votes
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET
The seat over time
D − R margin in this seat's races around 1978
Races before and after
Source: MIT Election Data and Science LabUpdated Sep 30, 2026, 7:25 AM ET