PolitiFinder

1966 Massachusetts U.S. House District 10 Election

Massachusetts · 2 candidates · See every 1966 U.S. House race

Who won the 1966 Massachusetts U.S. House District 10 Election?

Margaret M. Heckler won the 1966 Massachusetts U.S. House District 10 Election. Margaret M. Heckler received 96,675 popular votes (51.1%). The main challenger was John H Harrington (48.9%).

See the full head-to-head between Heckler and Harrington

Heckler +2.2 pts · won by 4,159 votes
Margaret M. HecklerRepublicanWINNER51.1%
96,675 votes
John H HarringtonDemocratic48.9%
92,516 votes
Popular-vote totals for this U.S. House election come from the Constituency-Level Elections Archive (CLEA) and the official public record.

Data last verified July 28, 2026.