List of United States senators in the 30th Congress
Introduction This is a '''complete list of members of the United States Senate during the 30th United States Congress''' listed by seniority, from March 4, 1847, to March 3, 1849.Order of service is based on the commencement of the senator's first term. Behind this is former service as a senator (only giving the senator seniority within his or her new incoming class), service as vice president, a House member, a cabinet secretary, or a governor of a state. The final factor is the population of the senator's state.Senators who were sworn in during the middle of the two-year congressional term (up until the last senator who was not sworn in early after winning the November 1848 election) are listed at the end of the list with no number.
Terms of service ClassTerms of service of senators that expired in yearsClass 3Terms of service of senators that expired in 1849Class 1Terms of service of senators that expired in 1851Class 2Terms of service of senators that expired in 1853
U.S. Senate seniority list +U.S. Senate seniority Rank  Senator (party-state)  Seniority date  Other factors 1  Thomas Hart Benton (D-MO)  August 10, 1821  2  Ambrose Hundley Sevier (D-AR)  September 18, 1836 3  William Allen (D-OH)  March 4, 1837 4  Samuel Shethar Phelps (W-VT)  March 4, 1839 5  Daniel Sturgeon (D-PA)  January 14, 1840 6  Jabez Williams Huntington (W-CT)  May 4, 1840 7  Willie Person Mangum (W-NC)  November 25, 1840 10  John Macpherson Berrien (W-GA)  March 4, 1841  Former senator (4 years) 11  Jacob Welsh Miller (W-NJ)  New Jersey 14th in population (1830) 12  Arthur Pendleton Bagby (D-AL)  November 24, 1841 13  John Jordan Crittenden (W-KY)  March 31, 1842 14  William Lewis Dayton (W-NJ)  July 2, 1842 15  James Alfred Pearce (W-MD)  March 4, 1843  Former representative (6 years); Maryland 15th in population (1840) 16  Charles Gordon Atherton (D-NH)  Former representative (6 years); New Hampshire 22nd in population (1840) 17  Edward Allen Hannegan (D-IN)  Former representative (4 years) 18  Walter Terry Colquitt (D-GA)  Former representative (1 year) 19  Sidney Breese (D-IL)  Illinois 14th in population (1840) 20  William Upham (W-VT)  Vermont 21st in population (1840) 21  David Rice Atchison (D-MO)  October 14, 1843 22  John Fairfield (W-ME)  December 4, 1843  Maine 13th in population (1840) 23  Henry Johnson (W-LA)  February 12, 1844 24  Dixon Hall Lewis (D-AL)  April 22, 1844 25  John Milton Niles (D-CT)  May 16, 1844 26  Chester Ashley (D-AR)  November 8, 1844 27  Daniel Stevens Dickinson (D-NY)  November 30, 1844 28  John Adams Dix (D-NY)  January 27, 1845 29  Daniel Webster (W-MA)  March 4, 1845  Former senator (13 years) 30  John Middleton Clayton (W-DE)  Former senator (7 years) 31  Thomas Corwin (W-OH)  Former representative (9 years) 32  Jesse Speight (D-MS)  Former representative (8 years) 33  Hopkins Lacy Turney (D-TN)  Former representative (6 years) 34  Lewis Cass (D-MI)  Former cabinet member 35  Jesse D. Bright (D-IN)  Indiana 10th in population (1840) 36  Reverdy Johnson (W-MD)  Maryland 15th in population (1840) 37  Albert Collins Greene (W-RI)  Rhode Island 24th in population (1840) 38  Simon Cameron (D-PA)  March 13, 1845 39  John Davis (W-MA)  March 24, 1845 40  David Levy Yulee (D-FL)  July 1, 1845  Former delegate 41  John Caldwell Calhoun (D-SC)  November 26, 1845 42  Thomas Jefferson Rusk (D-TX)  February 21, 1846  43  Samuel Houston (D-TX)  February 26, 1846  Former representative 44  George Edmund Badger (W-NC)  November 25, 1846 45  Andrew Pickens Butler (D-SC)  December 4, 1846 46  James M. Mason (D-VA)  January 21, 1847  Former representative 47  Robert M. T. Hunter (D-VA)  March 4, 1847  Former representative (8 years); Virginia 4th in population (1840) 48  Joseph Rogers Underwood (W-KY)  Former representative (8 years); Kentucky 6th in population (1840) 49  Stephen A. Douglas (D-IL)  Former representative (4 years) 50  John P. Hale (D-NH)  Former representative (2 years) 51  Alpheus Felch (D-MI)  Former governor 52  James Ware Bradbury (D-ME)  Maine 13th in population (1840) 53  Henry Stuart Foote (D-MS)  Mississippi 17th in population (1840) 54  Solomon Weathersbee Downs (D-LA)  Louisiana 19th in population (1840) 55  John Hopkins Clarke (W-RI)  Rhode Island 24th in population (1840) 56  Presley Spruance (W-DE)  Delaware 26th in population (1840)  Jefferson Davis (D-MS)  August 10, 1847  Roger Sherman Baldwin (W-CT)  November 11, 1847  John Bell (W-TN)  November 22, 1847  Wyman Bradbury Seavy Moor (D-ME)  January 5, 1848  Herschel Vespasian Johnson (D-GA)  February 5, 1848    Solon Borland (D-AR)  March 30, 1848  William K. Sebastian (D-AR)  May 12, 1848  Hannibal Hamlin (D-ME)  June 8, 1848  Former representative (4 years); Maine 13th in population (1840)  Henry Dodge (D-WI)  Former delegate (4 years); Wisconsin 28th in population (1840)  Thomas Fitzgerald (D-MI)    Isaac Pigeon Walker (D-WI)  Wisconsin 28th in population (1840)  Thomas Metcalfe (D-KY)  June 23, 1848    William Rufus de Vane King (D-AL)  July 1, 1848  Benjamin Fitzpatrick (D-AL)  November 25, 1848  Augustus Caesar Dodge (D-IA)  December 7, 1848  Former delegate (6 years)  George Wallace Jones (D-IA)  Former delegate (3 years)  John Wales (W-DE)  February 23, 1849
See also *30th United States Congress*List of members of the United States House of Representatives in the 30th Congress by seniority
Notes
External links * Senate Seniority List