Person
|
Constituency
|
Group
|
Start
|
Election
|
End
|
Cause
|
David Rice Atchison
|
Missouri Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
George Edmund Badger
|
North Carolina Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Roger Sherman Baldwin
|
Connecticut Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Robert Woodward Barnwell
|
South Carolina Class 2 senate seat
|
Democratic Party
|
1850-06-04
|
|
1850-12-18
|
|
John Bell
|
Tennessee Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Thomas Hart Benton
|
Missouri Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
John M. Berrien
|
Georgia Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Solon Borland
|
Arkansas Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
James W. Bradbury
|
Maine Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Jesse D. Bright
|
Indiana Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Andrew Butler
|
South Carolina Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
John C. Calhoun
|
South Carolina Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1850-03-31
|
death in office
|
Lewis Cass
|
Michigan Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Salmon P. Chase
|
Ohio Class 3 senate seat
|
Free Soil Party
|
1849-03-04
|
|
1851-03-04
|
|
John Hopkins Clarke
|
Rhode Island Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Henry Clay
|
Kentucky Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Jeremiah Clemens
|
Alabama Class 2 senate seat
|
Democratic Party
|
1849-11-30
|
|
1851-03-04
|
|
James Cooper
|
Pennsylvania Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Thomas Corwin
|
Ohio Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1850-07-20
|
resignation
|
Jefferson Davis
|
Mississippi Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
John Davis
|
Massachusetts Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
William Crosby Dawson
|
Georgia Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
William L. Dayton
|
New Jersey Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Daniel S. Dickinson
|
New York Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Augustus C. Dodge
|
Iowa Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Henry Dodge
|
Wisconsin Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Stephen A. Douglas
|
Illinois Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Solomon W. Downs
|
Louisiana Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Franklin H. Elmore
|
South Carolina Class 2 senate seat
|
Democratic Party
|
1850-04-11
|
|
1850-05-29
|
death in office
|
Thomas Ewing
|
Ohio Class 1 senate seat
|
|
1850-07-20
|
|
1851-03-03
|
|
Alpheus Felch
|
Michigan Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Benjamin Fitzpatrick
|
Alabama Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1849-11-30
|
|
Henry S. Foote
|
Mississippi Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
John C. Frémont
|
California Class 1 senate seat
|
Democratic Party
|
1850-09-10
|
|
1851-03-04
|
|
Albert C. Greene
|
Rhode Island Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
William M. Gwin
|
California Class 3 senate seat
|
Democratic Party
|
1850-09-10
|
|
1851-03-04
|
|
John P. Hale
|
New Hampshire Class 2 senate seat
|
Free Soil Party
|
1849-03-04
|
|
1851-03-04
|
|
Hannibal Hamlin
|
Maine Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Sam Houston
|
Texas Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Robert M. T. Hunter
|
Virginia Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Reverdy Johnson
|
Maryland Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1849-03-07
|
resignation
|
George W. Jones
|
Iowa Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Moses Norris Jr.
|
New Hampshire Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Robert Rantoul Jr.
|
Massachusetts Class 1 senate seat
|
Democratic Party
|
1851-02-01
|
|
1851-03-04
|
|
William R. King
|
Alabama Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Willie Person Mangum
|
North Carolina Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
James Murray Mason
|
Virginia Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Jacob W. Miller
|
New Jersey Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Jackson Morton
|
Florida Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
James Pearce
|
Maryland Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Samuel S. Phelps
|
Vermont Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Thomas Pratt
|
Maryland Class 1 senate seat
|
Whig Party
|
1850-01-12
|
|
1851-03-04
|
|
Robert Barnwell Rhett
|
South Carolina Class 2 senate seat
|
Democratic Party
|
1850-12-18
|
|
1851-03-04
|
|
Thomas Jefferson Rusk
|
Texas Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
William K. Sebastian
|
Arkansas Class 2 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
William H. Seward
|
New York Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
James Shields
|
Illinois Class 3 senate seat
|
Democratic Party
|
1849-10-27 1849-03-04
|
|
1851-03-04 1849-03-15
|
|
Truman Smith
|
Connecticut Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Pierre Soulé
|
Louisiana Class 3 senate seat
|
Democratic Party
|
1849-03-03
|
|
1851-03-04
|
|
Presley Spruance
|
Delaware Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
David Stewart
|
Maryland Class 1 senate seat
|
Whig Party
|
1849-12-06
|
|
1850-01-12
|
|
Daniel Sturgeon
|
Pennsylvania Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Hopkins L. Turney
|
Tennessee Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Joseph R. Underwood
|
Kentucky Class 2 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
William Upham
|
Vermont Class 3 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
John Wales
|
Delaware Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1851-03-04
|
|
Isaac P. Walker
|
Wisconsin Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Daniel Webster
|
Massachusetts Class 1 senate seat
|
Whig Party
|
1849-03-04
|
|
1850-07-22
|
resignation
|
James Whitcomb
|
Indiana Class 3 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|
Robert Charles Winthrop
|
Massachusetts Class 1 senate seat
|
Whig Party
|
1850-07-30
|
|
1851-02-01
|
|
David Levy Yulee
|
Florida Class 1 senate seat
|
Democratic Party
|
1849-03-04
|
|
1851-03-04
|
|