1974Flipped from RepublicanFinal resultsIncumbent defeated
1974 election for Connecticut House District 99
Connecticut House of Representatives · Connecticut
John A. Giordano (D) won with 56.0% of the vote, defeating Mark S. Defrancesco (R) by 12.0 points, flipping a seat Republicans held.
John A. GiordanoDemocrat · winner
56.0%3,566
Mark S. DefrancescoRepublican · incumbent
44.0%2,800
6,366 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 1974
Races before and after
Source: Past results: 99chambers results archive (MEDSL, Klarner, state election offices)