2016Final resultsSpecial election
2016 special election for Massachusetts Senate District 34
Massachusetts State Senate · Massachusetts
Patrick O'Connor (R) won with 52.6% of the vote, defeating Joan Meschino (D) by 5.5 points.
Patrick O'ConnorRepublican · winner
52.6%9,047
Joan MeschinoDemocrat
47.2%8,108
17,185 votes
Source: MIT Election Data and Science LabUpdated Oct 1, 2026, 4:52 AM ET
The seat over time
D − R margin in this seat's races around 2016
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)