2012Final results
2012 election for Massachusetts House District 71
Massachusetts House of Representatives · Massachusetts
Shaunna L. Oconnell (R) won with 56.5% of the vote, defeating Sherry Costahanlon (D) by 12.9 points.
Shaunna L. OconnellRepublican · winner · incumbent
56.5%9,434
Sherry CostahanlonDemocrat
43.5%7,274
16,708 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 2012
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET