George M. O'Brien, U.S. Representative

George M. O'Brien

U.S. Representative
Born
June 17, 1917
Died
July 17, 1986
Age at death
69
Home state
Illinois
Party
Republican
On the ballot
1976–1984
5-0
RecordWin–Loss
Total Popular Votes
O'Brien534,912
Opponents320,655
5
Elections run

Between 1976 and 1984, George M. O'Brien ran in 5 U.S. House elections, winning all 5. O'Brien's biggest single-election total was 125,806 votes, in the 1980 U.S. House election in Illinois's District 17. O'Brien's closest win came in the 1982 U.S. House election in Illinois's District 4, decided by 13,519 votes.

Browse every U.S. House race in Illinois's District 4, every U.S. House race in Illinois's District 17, or all 1984 U.S. House races.

How many votes has George M. O'Brien received?

George M. O'Brien has received 534,912 popular votes across 5 U.S. elections, with a career record of 5–0.

Election history

George M. O'Brien’s election history
YearOfficeResultVotesOpponent(s)
1984U.S. HouseIllinoisWon121,74463.98%Dennis E. Marlow
1982U.S. HouseIllinoisWon79,84254.62%Michael A. Murer (head-to-head)
1980U.S. HouseIllinoisWon125,80665.83%Michael A. Murer (head-to-head)
1978U.S. HouseIllinoisWon94,37570.62%Clifford J. Sinclair
1976U.S. HouseIllinoisWon113,14558.21%Merlin Karlock
Identity & sources. Identity verified against Wikidata (Q3101801). Election results come from official certified totals and the MIT Election Data and Science Lab; see methodology.
Cite this profile. PolitiFinder, “George M. O'Brien: election history & vote totals.” https://politifinder.com/p/george-m-o-brien. 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.