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9th United States Congress

9th United States Congress
8th ← → 10th

United States Capitol (1800)

Duration: March 4, 1805 – March 4, 1807

Senate President: George Clinton
Senate Pres. pro tem: Samuel Smith
House Speaker: Nathaniel Macon
Members: 34 Senators
142 Representatives
3 Non-voting members
Senate Majority: Democratic-Republican
House Majority: Democratic-Republican

Special: March 4, 1805 – March 4, 1805
1st: December 2, 1805 – April 21, 1806
2nd: December 1, 1806 – March 4, 1807

The Ninth 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, 1805 to March 4, 1807, during the fifth and sixth years of Thomas Jefferson's presidency. The apportionment of seats in the House of Representatives was based on the Second Census of the United States in 1800. Both chambers had a Democratic-Republican majority.

Major events

Major legislation

Territories organized

Senate President George Clinton
Senate President pro tempore
Samuel Smith (DR)
House Speaker
Nathaniel Macon (DR)

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.


House of Representatives



House of Representatives


This list is arranged by chamber, then by state. Senators are listed in order of seniority, and Representatives are listed by district.


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 began in the last Congress, requiring reelection in 1808; Class 2 meant their term began with this Congress, requiring reelection in 1810; and Class 3 meant their term ended with this Congress, requiring reelection in 1806.

House of Representatives

The names of members of the House of Representatives are listed by their districts.

Changes in membership

The count below reflects changes from the beginning of this Congress.


Vacator Reason for change Successor Date of successor's
formal installation
John Breckinridge (DR) Resigned August 7, 1805 after being appointed United States Attorney General.
Successor elected November 8, 1805 to finish the term ending March 4, 1807.
John Adair (DR) Seated November 8, 1805
James Jackson (DR) Died March 19, 1806.
Winner elected June 19, 1806 to finish the term ending March 4, 1807.
John Milledge (DR) Seated June 19, 1806
Robert Wright (DR) Resigned November 12, 1806 after being elected Governor of Maryland.
Successor elected November 25, 1806 to finish the term ending March 4, 1807 (as well as to the next term).
Philip Reed (DR) Seated November 25, 1806
John Adair (DR) Resigned November 18, 1806 after losing the election tp the next term.
Successor elected November 19, 1806, despite being younger than the constitutional age minimum.
Henry Clay (DR) Seated November 19, 1806

House of Representatives

District Vacator Reason for change Successor Date successor
Vacant Calvin Goddard (F) resigned before the beginning of this Congress Timothy Pitkin (F) Seated September 16, 1805
Vacant Roger Griswold (F) resigned before the beginning of this Congress Lewis B. Sturges (F) Seated September 16, 1805
Vacant John B. C. Lucas (DR) resigned before the beginning of this Congress Samuel Smith (DR) Seated November 7, 1805
John A. Hanna (DR) Died July 23, 1805 Robert Whitehill (DR) Seated November 7, 1805
North Carolina
Nathaniel Alexander (DR) Resigned November, 1805 after being elected Governor of North Carolina Evan S. Alexander (DR) Seated February 24, 1806
Indiana Territory Vacant Territory elected delegate to Congress for first time Benjamin Parke Elected December 12, 1805
Cowles Mead (DR) Lost contested election December 24, 1805 Thomas Spalding (DR) Seated December 24, 1805
Joseph Bryan (DR) Resigned sometime in 1806 Dennis Smelt (DR) September 1, 1806
Thomas Spalding (DR) Resigned sometime in 1806 William W. Bibb (DR) Seated January 26, 1807
Michael Leib (DR) Resigned February 14, 1806 John Porter (DR) Seated December 8, 1806
Joseph H. Nicholson (DR) Resigned March 1, 1806 Edward Lloyd (DR) Seated December 3, 1806
Christopher H. Clark (DR) Resigned July 1, 1806 William A. Burwell (DR) December 1, 1806
John Cotton Smith (F) Resigned sometime in August, 1806 Theodore Dwight (F) December 1, 1806
Territory of Orleans Vacant Territory elected delegate to Congress for first time Daniel Clark Elected December 1, 1806
Christian Lower (DR) Resigned December 19, 1806 Vacant Not filled for remainder of term
South Carolina
Levi Casey (DR) Died February 3, 1807 Vacant Not filled for remainder of term



House of Representatives


External links

  • Statutes at Large, 1789-1875
  • Senate Journal, First Forty-three Sessions of Congress
  • House Journal, First Forty-three Sessions of Congress
  • Biographical Directory of the U.S. Congress
  • U.S. House of Representatives: House History
  • U.S. Senate: Statistics and Lists
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