Big fan of election and demographic numbers since 2006
 

Candidates (O)

Timothy I. O’Reilly

  • 1954 – California’s 13th congressional district (D) – lost

William O’Reilly

  • 1940 – Pennsylvania’s 7th congressional district (S) – lost

James S. O’Rourke

  • 1926 – Illinois’ at large congressional district (SL) – lost
  • 1928 – Illinois’ at large congressional district (SL) – lost

Jerome F. O’Rourke

  • 1960 – Michigan’s 6th congressional district (D) – lost

John E. O’Rourke

  • 1942 – United States Senate (Minnesota) (Special) (D) – lost

Peter O’Rourke

  • 1968 – Michigan’s 14th congressional district (R) – lost

Philip A. O’Rourke

  • 1954 – California’s 4th congressional district (D) – lost

Robert Francis O’Rourke

  • 2012 – Texas’ 16th congressional district (D) – won
  • 2014 – Texas’ 16th congressional district (D) – won
  • 2016 – Texas’ 16th congressional district (D) – won
  • 2018 – United States Senate (Texas) (D) – lost

Vernon O’Rourke

  • 1942 – Pennsylvania’s 8th congressional district (D) – lost
  • 1944 – Pennsylvania’s 7th congressional district (D) – lost
  • 1946 – Pennsylvania’s 7th congressional district (D) – lost

William J. O’Rourke

  • 1932 – Pennsylvania’s 4th congressional district (D) – lost

Diarmuid O’Scannlain

  • 1974 – Oregon’s 1st congressional district (R) – lost

Maryellen O’Shaughnessy

  • 2000 – Ohio’s 12th congressional district (D) – lost

George F. O’Shaunessy

  • 1922 – Rhode Island’s 1st congressional district (D) – lost

Bernard G. O’Shea

  • 1956 – United States Senate (Vermont) (D) – lost
  • 1964 – Vermont’s at large congressional district (D) – lost
  • 1970 – Vermont’s at large congressional district (D) – lost

George J. O’Shea, Jr.

  • 1962 – Massachusetts’ 6th congressional district (D) – lost

John J. O’Shea

  • 1996 – New York’s 3rd congressional district (RTL) – lost

Robert S. O’Shea

  • 1972 – Illinois’ 20th congressional district (D) – lost

Shaemas O’Sheal

  • 1940 – New York’s 18th congressional district (American Labor) – lost

Daniel F. O’Sullivan, Jr.

  • 1996 – Missouri’s 1st congressional district (R) – lost

Eugene Daniel O’Sullivan

  • 1934 – United States Senate (Nebraska) (W/I) – lost
  • 1948 – Nebraska’s 2nd congressional district (D) – won
  • 1950 – Nebraska’s 2nd congressional district (D) – lost

Frank P. O’Sullivan

  • 1954 – California’s 15th congressional district (D) – lost

Humphrey O’Sullivan

  • 1924 – Massachusetts’ 5th congressional district (D) – lost

Jeremiah J. O’Sullivan

  • 1934 – Massachusetts’ 5th congressional district (D) – lost

Kevin O’Sullivan

  • 1994 – Massachusetts’ 3rd congressional district (D) – lost

O’Sullivan

  • 1924 – Connecticut’s 5th congressional district (Prog.) – lost

Patrick Brett O’Sullivan

  • 1922 – Connecticut’s 5th congressional district (D) – won
  • 1924 – Connecticut’s 5th congressional district (D) – lost

William J. O’Sullivan, Jr.

  • 1980 – New Jersey’s 15th congressional district (R) – lost

Donald Lawrence O’Toole

  • 1936 – New York’s 8th congressional district (D) – won
  • 1938 – New York’s 8th congressional district (D) – won
  • 1940 – New York’s 8th congressional district (D) – won
  • 1942 – New York’s 8th congressional district (D, American Labor) – won
  • 1944 – New York’s 13th congressional district (D, American Labor, Liberal) – won
  • 1946 – New York’s 13th congressional district (D, American Labor) – won
  • 1948 – New York’s 13th congressional district (D, Liberal) – won
  • 1950 – New York’s 13th congressional district (D, Liberal) – won
  • 1952 – New York’s 12th congressional district (D, Liberal) – lost
  • 1954 – New York’s 12th congressional district (D, Liberal) – lost
  • 1956 – New York’s 12th congressional district (D, Liberal) – lost

Phelim O’Toole

  • 1944 – Missouri’s 12th congressional district (D) – lost

Thomas J. O’Toole

  • 1952 – Pennsylvania’s 27th congressional district (D) – lost

Thomas P. O’Toole

  • 1964 – California’s 6th congressional district (D) – lost

Mary Rose Oakar

  • 1976 – Ohio’s 20th congressional district (D) – won
  • 1978 – Ohio’s 20th congressional district (D) – won
  • 1980 – Ohio’s 20th congressional district (D) – won
  • 1982 – Ohio’s 20th congressional district (D) – won
  • 1984 – Ohio’s 20th congressional district (D) – won
  • 1986 – Ohio’s 20th congressional district (D) – won
  • 1988 – Ohio’s 20th congressional district (D) – won
  • 1990 – Ohio’s 20th congressional district (D) – won
  • 1992 – Ohio’s 10th congressional district (D) – lost

Dave Oakes

  • 1964 – Texas’ 9th congressional district (R) – lost

James Oakes

  • 1938 – New York’s 38th congressional district (S) – lost

Paul R. Oakes

  • 1966 – Indiana’s 11th congressional district (R) – lost

Ted E. Oakes

  • 1974 – Kansas’ 3rd congressional district (American) – lost

F. K. Oakley

  • 1920 – New York’s 3rd congressional district (Proh.) – lost
  • 1922 – New York’s 3rd congressional district (Proh.) – lost

Charles Gibb Oakman

  • 1952 – Michigan’s 17th congressional district (R) – won
  • 1954 – Michigan’s 17th congressional district (R) – lost

Dave Oaks

  • 1962 – Texas’ 9th congressional district (R) – lost

Rob Oates

  • 2012 – Idaho’s 1st congressional district (L) – lost

Barack Hussein Obama II

  • 2004 – United States Senate (Illinois) (D) – won

Richard D. Obenshain

  • 1964 – Virginia’s 3rd congressional district (R) – lost

Karl L. Oberhue

  • 1922 – Missouri’s 5th congressional district (SL) – lost
  • 1932 – United States Senate (Missouri) (SL) – lost
  • 1938 – United States Senate (Missouri) (SL) – lost
  • 1940 – Missouri’s 5th congressional district (SL) – lost
  • 1944 – Missouri’s 4th congressional district (SL) – lost

Charles Oberkirsh

  • 1936 – New York’s 9th congressional district (Comm.) – lost

Charles Monroe Oberly III

  • 1994 – United States Senate (Delaware) (D) – lost

Edward Oberly

  • 1922 – Michigan’s 1st congressional district (FL) – lost

Theresa Nangle Obermeyer

  • 1996 – United States Senate (Alaska) (D) – lost

Michael Edward Obermueller

  • 2012 – Minnesota’s 2nd congressional district (DFL) – lost
  • 2014 – Minnesota’s 2nd congressional district (DFL) – lost

Jay Phillip Obernolte

  • 2020 – California’s 8th congressional district (R) – won
  • 2022 – California’s 23rd congressional district (R) – won

Bill Oberst, Jr.

  • 1992 – South Carolina’s 1st congressional district (D) – lost