1978Final results
1978 election for Connecticut House District 104
Connecticut House of Representatives · Connecticut
Silvio A. Mastrianni (D) won with 61.0% of the vote, defeating John J. Lonergan Jr. (R) by 22.1 points.
Silvio A. MastrianniDemocrat · winner · incumbent
61.0%4,362
John J. Lonergan Jr.Republican
39.0%2,784
7,146 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