Clifford J. Sinclair

U.S. House candidate
Home state
Illinois
Party
Democratic
On the ballot
1978
0-1
RecordWin–Loss
Total Popular Votes
Sinclair39,260
Opponents94,375
1
Elections run

Clifford J. Sinclair, a Democratic politician from Illinois, ran once for U.S. office, losing the 1978 U.S. House election in Illinois's District 17 to George M. O'Brien, receiving 39,260 votes (29.38%).

Browse every U.S. House race in Illinois's District 17 or all 1978 U.S. House races.

How many votes has Clifford J. Sinclair received?

Clifford J. Sinclair has received 39,260 popular votes across 1 U.S. election, with a career record of 0–1.

Election history

Clifford J. Sinclair’s election history
YearOfficeResultVotesOpponent(s)
1978U.S. HouseIllinoisLost39,26029.38%George M. O'Brien
Cite this profile. PolitiFinder, “Clifford J. Sinclair: election history & vote totals.” https://politifinder.com/p/clifford-j-sinclair. Accessed [date].

Compiled by PolitiFinder. Election results from official certified sources and the MIT Election Lab. See Data & sources and methodology. Data last verified July 28, 2026.