1976Flipped from DemocraticFinal resultsIncumbent defeated
1976 election for Connecticut Senate District 9
Connecticut State Senate · Connecticut
Elmer A. Mortensen (R) won with 54.7% of the vote, defeating J. Martin Hennessey (D) by 9.3 points, a seat Democrats won last time.
Elmer A. MortensenRepublican · winner
54.7%26,048
J. Martin HennesseyDemocrat · incumbent
45.3%21,604
47,652 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 1976
Races before and after
Source: Harvard Dataverse / Carl KlarnerUpdated Sep 30, 2026, 7:29 AM ET