1978Flipped from DemocraticFinal results
1978 election for Massachusetts House District 66
Massachusetts House of Representatives · Massachusetts
Andrew S. Natsios (R) won with 73.1% of the vote, defeating James J. Oconnor (D) by 46.2 points, a seat Democrats won last time.
Andrew S. NatsiosRepublican · winner · incumbent
73.1%10,283
James J. OconnorDemocrat
26.9%3,786
14,069 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 1978
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET