Michael McDermott
- 2012 – New York’s 3rd congressional district (L) – lost
Peter McDermott
- 1924 – United States Senate (Rhode Island) (SL) – lost
Robert Charles McDermott
- 2022 – United States Senate (Hawaii) (R) – lost
Tim McDermott
- 1992 – Arizona’s 4th congressional district (L) – lost
Thomas Matthew McDermott Jr.
- 2022 – United States Senate (Indiana) (D) – lost
Charles P. McDevitt
- 1946 – United States Senate (Vermont) (D) – lost
Harry McDevitt
- 1934 – Colorado’s 4th congressional district (R) – lost
Rand McDevitt
- 1996 – California’s 45th congressional district (NL) – lost
Sean McDevitt
- 1990 – Idaho’s 2nd congressional district (R) – lost
William McDevitt
- 1924 – California’s 4th congressional district (S) – lost
- 1926 – California’s 4th congressional district (S) – lost
Catherine A. McDivitt
- 1980 – Texas’ 16th congressional district (R) – lost
- 1982 – Texas’ 16th congressional district (L) – lost
A. A. McDonald
- 1946 – North Carolina’s 6th congressional district (R) – lost
- 1950 – North Carolina’s 6th congressional district (R) – lost
A. J. McDonald
- 1920 – New Mexico’s at large congressional district (FL) – lost
A. R. McDonald
- 1920 – Wisconsin’s 9th congressional district (D) – lost
Albert McDonald
- 1990 – Alabama’s 5th congressional district (R) – lost
Alva L. McDonald
- 1934 – New York’s 5th congressional district (I) – lost
Annie McDonald
- 1968 – California’s 35th congressional district (AI) – lost
Arch McDonald
- 1946 – Maryland’s 6th congressional district (D) – lost
Betsy McDonald
- 1978 – Arizona’s 2nd congressional district (SW) – lost
- 1990 – Arizona’s 1st congressional district (SW) – lost
Brad A. McDonald
- 2002 – Mississippi’s 3rd congressional district (L) – lost
Claire K. McDonald
- 1984 – California’s 33rd congressional district (D) – lost
Claude G. McDonald
- 1942 – Michigan’s 14th congressional district (R) – lost
- 1944 – Michigan’s 14th congressional district (R) – lost
Dan McDonald
- 2000 – Washington’s 1st congressional district (R) – lost
Darlene McDonald
- 2022 – Utah’s 4th congressional district (D) – lost
Dennis McDonald
- 2010 – Montana’s at large congressional district (D) – lost
Don McDonald
- 1986 – Washington’s 7th congressional district (R) – lost
Duncan McDonald
- 1920 – Illinois’ 21st congressional district (FL) – lost
- 1922 – Illinois’ 21st congressional district (FL) – lost
Francis J. McDonald
- 1938 – Michigan’s 15th congressional district (Const. Dem.) – lost
Heyward McDonald
- 1970 – South Carolina’s 2nd congressional district (D) – lost
J. W. McDonald
- 1932 – Texas’ 8th congressional district (Liberty) – lost
Jack H. McDonald
- 1966 – Michigan’s 19th congressional district (R) – won
- 1968 – Michigan’s 19th congressional district (R) – won
- 1970 – Michigan’s 19th congressional district (R) – won
John C. McDonald
- 1976 – Ohio’s 17th congressional district (D) – lost
John J. McDonald
- 1974 – Montana’s 2nd congressional district (R) – lost
John K. McDonald
- 1980 – Montana’s 1st congressional district (R) – lost
John Wesley McDonald
- 1934 – United States Senate (West Virginia) (Proh.) – lost
Joyce McDonald
- 2014 – Washington’s 10th congressional district (R) – lost
Lawrence Patton McDonald
- 1974 – Georgia’s 7th congressional district (D) – won
- 1976 – Georgia’s 7th congressional district (D) – won
- 1978 – Georgia’s 7th congressional district (D) – won
- 1980 – Georgia’s 7th congressional district (D) – won
- 1982 – Georgia’s 7th congressional district (D) – won
Lendy McDonald
- 1976 – Texas’ 15th congressional district (R) – lost
Lynn M. McDonald
- 1976 – Wisconsin’s 9th congressional district (D) – lost
Merritt E. McDonald, Sr.
- 2010 – Louisiana’s 6th congressional district (D) – lost
Robert Lendol McDonald
- 1978 – Texas’ 15th congressional district (R) – lost
- 1980 – Texas’ 15th congressional district (R) – lost
Robert P. McDonald
- 1958 – New York’s 33rd congressional district (D, Liberal) – lost
Stan McDonald
- 1988 – Alabama’s 5th congressional district (R) – lost
W. D. McDonald
- 1956 – Montana’s 1st congressional district (R) – lost
William F. McDonald
- 1932 – Massachusetts’ 11th congressional district (R) – lost
William J. McDonald
- 1922 – North Carolina’s 6th congressional district (R) – lost
- 1924 – North Carolina’s 6th congressional district (R) – lost
Frank J. McDonnell
- 1926 – Pennsylvania’s 3rd congressional district (D) – lost
Randy McDonnell
- 1998 – Mississippi’s 5th congressional district (R) – lost
- 2000 – Mississippi’s 5th congressional district (R) – lost
- 2006 – Mississippi’s 4th congressional district (R) – lost
Sam McDonnell
- 1976 – Texas’ 5th congressional district (American) – lost
Clement Gregory McDonough
- 1950 – Massachusetts’ 5th congressional district (D) – lost
