The 16th United States Congress was a meeting of the legislative branch of the United States federal government, consisting of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1819, to March 4, 1821, during the third and fourth years of James Monroe's presidency. The apportionment of seats in the House of Representatives was based on the 1810 United States census. Both chambers had a Democratic-Republican majority.

Major events

A "speech for Buncombe County, North Carolina" given by North Carolina representative Felix Walker in 1820 was credited with introducing into the language the term "bunkum". March 6, 1819: McCulloch v. Maryland: Supreme Court ruled that the Bank of the United States is constitutional. July 3, 1820: United States House of Representatives elections, 1820 began in Louisiana August 7, 1820: 1820 United States census conducted, eventually determining a population of 9,638,453, of which 1,538,022 were slaves. November 13–15, 1820: A special election for the House speakership takes 22 ballots. December 3, 1820: U.S. presidential election, 1820: James Monroe was re-elected, virtually unopposed.

Major legislation

March 6, 1820: Missouri Compromise, Sess. 1, ch. 22, April 24, 1820: Land Act of 1820, Sess. 1, ch. 51,

Proposed but not enacted Tallmadge Amendment would allow Missouri into the Union as a slave state, but would also implement gradual emancipation in Missouri. The amendment passed the House of Representatives, but not the Senate. The Tallmadge Amendment led to the passage of the Missouri Compromise.

Treaties February 22, 1819: Adams-Onís Treaty (Transcontinental Treaty of 1819): Spain ceded Florida to the United States.

States admitted December 14, 1819: Alabama was admitted as the 22nd state, . March 15, 1820: Maine was admitted as the 23rd state. It was formerly the District of Maine, part of Massachusetts, .

Party summary The count below identifies party affiliations at the beginning of the first session of this congress. Changes resulting from subsequent replacements are shown below in the "Changes in membership" section.

Senate During this congress, two Senate seats were added for each of the new states of Alabama and Maine.

House of Representatives During this congress, one House seat was added for the new state of Alabama and one seat was reapportioned from Massachusetts to the new state of Maine. For the beginning of the next congress, six more seats from Massachusetts would be reapportioned to Maine.

Leadership

Senate President: Daniel D. Tompkins (DR) President pro tempore: James Barbour, (DR), until December 26, 1819 John Gaillard, (DR), elected January 25, 1820

House of Representatives Speaker: Henry Clay (DR), resigned October 28, 1820 John Taylor, (DR), elected November 15, 1820, on the 22nd ballot

Members This list is arranged by chamber, then by state. Senators are listed by class and representatives are listed by district.

Skip to House of Representatives, below

Senate

Senators were elected by the state legislatures every two years, with one-third beginning new six-year terms with each Congress. Preceding the names in the list below are Senate class numbers, which indicate the cycle of their election. In this Congress, Class 1 meant their term ended with this Congress, requiring re-election in 1820; Class 2 meant their term began in the last Congress, requiring re-election in 1822; and Class 3 meant their term began in this Congress, requiring re-election in 1824.

Alabama 2. William R. King (DR), from December 14, 1819 (newly admitted state) 3. John W. Walker (DR), from December 14, 1819 (newly admitted state)

Connecticut 1. Samuel W. Dana (F) 3. James Lanman (DR)

Delaware 1. Outerbridge Horsey (F) 2. Nicholas Van Dyke (F)

Georgia 2. Freeman Walker (DR), from November 6, 1819 3. John Elliott (DR)

Illinois 2. Jesse B. Thomas (DR) 3. Ninian Edwards (DR)

Indiana 1. James Noble (DR) 3. Waller Taylor (DR)

Kentucky 2. Richard M. Johnson (DR), from December 10, 1819 3. William Logan (DR), until May 28, 1820 Isham Talbot (DR), from October 19, 1820

Louisiana 2. Henry Johnson (DR) 3. James Brown (DR)

Maine 1. John Holmes (DR), from June 13, 1820 (newly admitted state) 2. John Chandler (DR), from June 14, 1820 (newly admitted state)

Maryland 1. Alexander C. Hanson (F), until April 23, 1819 William Pinkney (DR), from December 21, 1819 3. Edward Lloyd (DR), from December 21, 1819

Massachusetts 1. Prentiss Mellen (F), until May 15, 1820 Elijah H. Mills (F), from June 12, 1820 2. Harrison Gray Otis (F)

Mississippi 1. Walter Leake (DR), until May 15, 1820 David Holmes (DR), from August 30, 1820 2. Thomas H. Williams (DR)

New Hampshire 2. David L. Morril (DR) 3. John F. Parrott (DR)

New Jersey 1. James J. Wilson (DR), until January 8, 1821 Samuel L. Southard (DR), from January 26, 1821 2. Mahlon Dickerson (DR)

New York 1. Nathan Sanford (DR) 3. Rufus King (F), from January 25, 1820

North Carolina 2. Montfort Stokes (DR) 3. Nathaniel Macon (DR)

Ohio 1. Benjamin Ruggles (DR) 3. William A. Trimble (DR)

Pennsylvania 1. Jonathan Roberts (DR) 3. Walter Lowrie (DR)

Rhode Island 1. William Hunter (F) 2. James Burrill Jr. (F), until December 25, 1820 Nehemiah R. Knight (DR), from January 9, 1821

South Carolina 2. William Smith (DR) 3. John Gaillard (DR)

Tennessee 1. John H. Eaton (DR) 2. John Williams (DR)

Vermont 1. Isaac Tichenor (F) 3. William A. Palmer (DR)

Virginia 1. James Barbour (DR) 2. John W. Eppes (DR), until December 4, 1819 James Pleasants (DR), from December 10, 1819

House of Representatives

Alabama . John Crowell (DR), from December 14, 1819 (newly admitted state)

Connecticut All representatives were elected statewide on a general ticket. . Henry W. Edwards (DR) . Samuel A. Foote (DR) . Jonathan O. Moseley (DR) . Elisha Phelps (DR) . John Russ (DR) . James Stevens (DR) . Gideon Tomlinson (DR)

Delaware Both representatives were elected statewide on a general ticket. . Willard Hall (DR), until January 22, 1821, vacant thereafter . Louis McLane (F)

Georgia All representatives were elected statewide on a general ticket. . Joel Abbot (DR) . Thomas W. Cobb (DR) . Joel Crawford (DR) . John A. Cuthbert (DR) . Robert R. Reid (DR) . William Terrell (DR)

Illinois . Daniel P. Cook (DR)

Indiana . William Hendricks (DR)

Kentucky . David Trimble (DR) . Henry Clay (DR) . William Brown (DR) . Thomas Metcalfe (DR) . Alney McLean (DR) . David Walker (DR), until March 1, 1820 Francis Johnson (DR), from November 13, 1820 . George Robertson (DR) . Richard C. Anderson Jr. (DR) . Tunstal Quarles (DR), until June 15, 1820 Thomas Montgomery (DR), from November 13, 1820 . Benjamin Hardin (DR)

Louisiana . Thomas Butler (DR)

Maine . Joseph Dane (F), seated December 11, 1820 (newly admitted state)

Maryland The 5th district was a plural district with two representatives. . Raphael Neale (F) . Joseph Kent (DR) . Henry R. Warfield (F) . Samuel Ringgold (DR) . Peter Little (DR) . Samuel Smith (DR) . Stevenson Archer (DR) . Thomas Culbreth (DR) . Thomas Bayly (F)

Massachusetts . Jonathan Mason (F), until May 15, 1820 Benjamin Gorham (DR), from November 27, 1820 . Nathaniel Silsbee (DR) . Jeremiah Nelson (F) . Timothy Fuller (DR) . Samuel Lathrop (F) . Samuel C. Allen (F) . Henry Shaw (DR) . Zabdiel Sampson (DR), until July 26, 1820 Aaron Hobart (DR), from December 18, 1820 . Walter Folger Jr. (DR) . Marcus Morton (DR) . Benjamin Adams (F) . Jonas Kendall (F) . Edward Dowse (DR), until May 26, 1820 William Eustis (DR), from November 13, 1820 . John Holmes (DR), until March 15, 1820, vacant thereafter . Ezekiel Whitman (F) . Mark L. Hill (DR) . Martin Kinsley (DR) . James Parker (DR) . Joshua Cushman (DR) . Enoch Lincoln (DR)

Mississippi . Christopher Rankin (DR)

New Hampshire All representatives were elected statewide on a general ticket. . Joseph Buffum Jr. (DR) . Josiah Butler (DR) . Clifton Clagett (DR) . Arthur Livermore (DR) . William Plumer Jr. (DR) . Nathaniel Upham (DR)

New Jersey All representatives were elected statewide on a general ticket. . Ephraim Bateman (DR) . Joseph Bloomfield (DR) . John Condit (DR), until November 4, 1819 Charles Kinsey (DR), from February 16, 1820 . John Linn (DR), until January 5, 1821, vacant thereafter . Bernard Smith (DR) . Henry Southard (DR)

New York There were six plural districts, the 1st, 2nd, 12th, 15th, 20th & 21st, each had two representatives. . James Guyon Jr. (DR), from January 14, 1820 . Silas Wood (F) . Henry Meigs (DR) . Peter H. Wendover (DR) . Caleb Tompkins (DR) . Randall S. Street (F) . James Strong (F) . Walter Case (DR) . Jacob H. De Witt (DR) . Robert Clark (DR) . Solomon Van Rensselaer (F) . John D. Dickinson (F) . John W. Taylor (DR) . Ezra C. Gross (DR) . Nathaniel Pitcher (DR) . Harmanus Peek (DR) . John Fay (DR) . Joseph S. Lyman (DR) . Robert Monell (DR) . Henry R. Storrs (F) . Aaron Hackley Jr. (DR) . William D. Ford (DR) . George Hall (DR) . Caleb Baker (DR) . Jonathan Richmond (DR) . Nathaniel Allen (DR) . Albert H. Tracy (DR)

North Carolina . Lemuel Sawyer (DR) . Hutchins G. Burton (DR), from December 6, 1819 . Thomas H. Hall (DR) . Jesse Slocumb (F), until December 20, 1820 William S. Blackledge (DR), from February 7, 1821 . Charles Hooks (DR) . Weldon N. Edwards (DR) . John Culpepper (F) . James S. Smith (DR) . Thomas Settle (DR) . Charles Fisher (DR) . William Davidson (F) . Felix Walker (DR) . Lewis Williams (DR)

Ohio . Thomas R. Ross (DR) . John W. Campbell (DR) . Henry Brush (DR) . Samuel Herrick (DR) . Philemon Beecher (F) . John Sloane (DR)

Pennsylvania There were six plural districts, the 2nd, 3rd, 5th, 6th & 10th had two representatives each, the 1st had four representatives. . Samuel Edwards (F) . Thomas Forrest (F) . Joseph Hemphill (F) . John Sergeant (F) . William Darlington (DR) . Samuel Gross (DR) . Jacob Hibshman (DR) . James M. Wallace (DR) . Jacob Hostetter (DR) . Andrew Boden (DR) . David Fullerton (DR), until May 15, 1820 Thomas G. McCullough (F), from November 13, 1820 . Samuel Moore (DR) . Thomas J. Rogers (DR) . Joseph Hiester (DR), until December 1820 Daniel Udree (DR), from January 8, 1821 . Robert Philson (DR) . William P. Maclay (DR) . George Denison (DR) . John Murray (DR) . David Marchand (DR) . Thomas Patterson (DR) . Christian Tarr (DR) . Henry Baldwin (DR) . Robert Moore (DR)

Rhode Island Both representatives were elected statewide on a general ticket. . Samuel Eddy (DR) . Nathaniel Hazard (DR), until December 17, 1820; vacant thereafter

South Carolina . Charles Pinckney (DR) . William Lowndes (DR) . James Ervin (DR) . James Overstreet (DR) . Starling Tucker (DR) . Eldred Simkins (DR) . Elias Earle (DR) . John McCreary (DR) . Joseph Brevard (DR)

Tennessee . John Rhea (DR) . John Cocke (DR) . Francis Jones (DR) . Robert Allen (DR) . Newton Cannon (DR) . Henry H. Bryan (DR)

Vermont All representatives were elected statewide on a general ticket. . Samuel C. Crafts (DR) . Ezra Meech (DR) . Orsamus C. Merrill (DR), until January 12, 1820 Rollin C. Mallary (DR), from January 13, 1820 . Charles Rich (DR) . Mark Richards (DR) . William Strong (DR)

Virginia . James Pindall (F), until July 26, 1820 Edward B. Jackson (DR), from November 13, 1820 . Thomas Van Swearingen (F) . Jared Williams (DR) . William McCoy (DR) . John Floyd (DR) . Alexander Smyth (DR) . Ballard Smith (DR) . Charles F. Mercer (F) . William Lee Ball (DR) . George F. Strother (DR), until February 10, 1820 Thomas L. Moore (DR), from November 13, 1820 . Philip P. Barbour (DR) . Robert S. Garnett (DR) . Severn E. Parker (DR)