37th United States Congress



The Thirty-seventh 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, 1861 to March 3, 1863, during the first two years of the first administration of U.S. President Abraham Lincoln.

The apportionment of seats in the House of Representatives was based on the Seventh Census of the United States in 1850. Both chambers had a Republican majority.

Dates of sessions
March 4, 1861 - March 3, 1863
 * Special session of the Senate: March 4, 1861 – March 28, 1861
 * First session: July 4, 1861 – August 6, 1861
 * Second session: December 2, 1861 - July 17, 1862
 * Third session: December 1, 1862 - March 3, 1863
 * Previous congress: 36th Congress
 * Next congress: 38th Congress

Party summary
Virginia, Arkansas, North Carolina, and Tennessee seceded from the Union during this Congress.

The count below identifies party affiliations at the beginning of the first session of this Congress, and includes members from vacancies and newly admitted states, when they were first seated. Changes resulting from subsequent replacements are shown below in the "Changes in membership" section.

Leadership

 * Senate


 * Vice President of the United States (President of the Senate):
 * Hannibal Hamlin, of Maine
 * President pro tempore of the Senate:
 * Solomon Foot, Republican of Vermont, first elected in this Congress March 23, 1861.
 * House of Representatives


 * Speaker of the House
 * Galusha A. Grow, Republican of Pennsylvania, elected July 4, 1861.

Major events
Events of 1861, 1862 and 1863
 * March 4, 1861 -- Abraham Lincoln became President of the United States
 * April 12, 1861 -- Hostilities begin the American Civil War. War continues until 1865.

Major legislation
List of United States federal legislation in the 37th Congress
 * August 5, 1861 -- Revenue Act of 1861
 * August 6, 1861 -- Confiscation Act of 1861
 * February 25, 1862 -- Legal Tender Act of 1862
 * May 20, 1862 -- Homestead Act
 * July 1, 1862 -- Revenue Act of 1862
 * July 1, 1862 -- Pacific Railway Act
 * July 2, 1862 -- Morrill Land Grant Colleges Act
 * July 17, 1862 -- Militia Act of 1862
 * February 24, 1863 -- Arizona Territory
 * February 25, 1863 -- National Banking Act
 * March 2, 1863 -- False Claims Act
 * March 3, 1863 -- Enrollment Act,
 * March 3, 1863 -- Idaho Territory organized

Secession

 * Secessions declared during previous Congress: South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, and Texas.
 * Secessions declared during this Congress:
 * April 17, 1861 -- Virginia See also rump Union government of Virginia
 * May 6, 1861 -- Arkansas
 * May 20, 1861 -- North Carolina
 * June 8, 1861 -- Tennessee Senator Andrew Johnson and three members of the House did not recognize secession and retained their seats.

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

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 reelection in 1862; Class 2 meant their term began in the last Congress, requiring reelection in 1864; and Class 3 meant their term began in this Congress, requiring reelection in 1866.

House of Representatives
The names of members of the House of Representatives elected statewide "at-large," are preceded by an "A/L," and the names of those elected from districts, are preceded by their district numbers. Many of the congressional district numbers are linked to articles describing the district itself. Since the boundaries of the districts have changed often and substantially, the linked article may only describe the district as it exists today, and not as it was at the time of this Congress.

Membership detail by state
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 reelection in 1862; Class 2 meant their term began in the last Congress, requiring reelection in 1864; and Class 3 meant their term began in this Congress, requiring reelection in 1866.

The names of members of the House of Representatives elected statewide on the general ticket or otherwise at-large, are preceded by an "A/L," and the names of those elected from districts, whether plural or single member, are preceded by their district numbers.

Many of the congressional district numbers are linked to articles describing the district itself. Since the boundaries of the districts have changed often and substantially, the linked article may only describe the district as it exists today, and not as it was at the time of this Congress.

The list below is arranged by state, then by chamber. Senators are shown in order of seniority, House members in district order.

Alabama

 * Senate


 * 2: vacant  …seat declared vacant, March 14, 1861, state having seceded.
 * 3: vacant
 * House of Representatives (7 seats)


 * all seats vacant

Arkansas

 * Senate


 * 2: William K. Sebastian (1812-1865), Democratic ...expelled by resolution of July 11, 1861, state having seceded.
 * 3: Charles B. Mitchel (1815-1864), Democratic ...expelled by resolution of July 11, 1861, state having seceded.
 * House of Representatives (2 seats)


 * all seats vacant

California

 * Senate


 * 1: Milton S. Latham (1827-1882), Democratic
 * 3: James A. McDougall (1817-1867), Democratic
 * House of Representatives (3 seats)


 * A/L: Frederick F. Low (1828-1894), Republican ...elected to fill vacancy, seated June 3, 1862.
 * A/L: Timothy G. Phelps (1824-1899), Republican ...elected to fill vacancy, seated December 2, 1861.
 * A/L: Aaron A. Sargent (1827-1887), Republican ...elected to fill vacancy, seated December 2, 1861.

Connecticut

 * Senate


 * 3: La Fayette S. Foster (1806-1880), Republican
 * 1: James Dixon (1814-1873), Republican
 * House of Representatives (4 seats)


 * 1: Dwight Loomis (1821-1903), Republican
 * 2: James E. English (1812-1890), Democratic
 * 3: Alfred A. Burnham (1819-1879), Republican
 * 4: George C. Woodruff (1805-1885), Democratic

Delaware

 * Senate


 * 1: James A. Bayard, Jr. (1799-1880), Democratic
 * 2: Willard Saulsbury, Sr. (1820-1892), Democratic
 * House of Representatives (1 seat)


 * A/L: George P. Fisher (1817-1899), Unionist

Florida

 * Senate


 * 1: vacant  …seat declared vacant, March 14, 1861, state having seceded.
 * 3: vacant
 * House of Representatives (1 seat)


 * all seats vacant

Georgia

 * Senate


 * 2: vacant  …seat declared vacant, March 14, 1861, state having seceded.
 * 3: vacant
 * House of Representatives (8 seats)


 * all seats vacant

Illinois

 * Senate


 * 2: Stephen A. Douglas (1813-1861), Democratic ...died June 3, 1861.
 * Orville H. Browning (1806-1881), Republican ...appointed to fill vacancy, June 26, 1861.
 * William A. Richardson (1811-1875), Democratic ...elected to fill vacancy, January 12, 1863.
 * 3: Lyman Trumbull (1813-1896), Republican
 * House of Representatives (9 seats)


 * 1: Elihu B. Washburne (1816-1887), Republican
 * 2: Isaac N. Arnold (1815-1884), Republican
 * 3: Owen Lovejoy (1811-1864), Republican
 * 4: William Kellogg (1814-1872), Republican
 * 5: William A. Richardson (1811-1875), Democratic ...resigned January 29, 1863.
 * 6: John A. McClernand (1812-1900), Democratic ...resigned October 28, 1861.
 * Anthony L. Knapp (1828-1881), Democratic ...elected to fill vacancy, seated December 12, 1861.
 * 7: James C. Robinson (1823-1886), Democratic
 * 8: Philip B. Fouke (1818-1876), Democratic
 * 9: John A. Logan (1826-1886), Democratic ...resigned April 2, 1862.
 * William J. Allen (1829-1901), Democratic ...elected to fill vacancy, seated June 2, 1862.

Indiana

 * Senate


 * 1: Jesse D. Bright (1812-1875), Democratic ...expelled February 5, 1862.
 * Joseph A. Wright (1810-1867), Unionist ...appointed to fill vacancy, February 24, 1862.
 * David Turpie (1828-1909), Democratic ...elected to fill vacancy, January 14, 1863.
 * 3: Henry S. Lane (1811-1881), Republican
 * House of Representatives (11 seats)


 * 1: John Law (1796-1873), Democratic
 * 2: James A. Cravens (1818-1893), Democratic
 * 3: William McKee Dunn (1814-1887), Republican
 * 4: William S. Holman (1822-1897), Democratic
 * 5: George W. Julian (1817-1899), Republican
 * 6: Albert G. Porter (1824-1897), Republican
 * 7: Daniel W. Voorhees (1827-1897), Democratic
 * 8: Albert S. White (1803-1864), Republican
 * 9: Schuyler Colfax (1823-1885), Republican
 * 10: William Mitchell (1807-1865), Republican
 * 11: John P. C. Shanks (1826-1901), Republican

Iowa

 * Senate


 * 3: James Harlan (1820-1899), Republican
 * 2: James W. Grimes (1816-1872), Republican
 * House of Representatives (2 seats)


 * 1: Samuel R. Curtis (1805-1866), Republican ...resigned August 4, 1861.
 * James F. Wilson (1828-1895), Republican ...elected to fill vacancy, seated December 2, 1861.
 * 2: William Vandever (1817-1893), Republican ...contested election, served until September 24, 1861, seat declared vacant.

Kansas

 * Senate


 * 2: James H. Lane (1814-1866), Republican ...newly admitted state, elected April 4, 1861.
 * 3: Samuel C. Pomeroy (1816-1891), Republican ...newly admitted state, elected April 4, 1861.
 * House of Representatives (1 seat)


 * A/L: Martin F. Conway (1827-1882), Republican

Kentucky

 * Senate


 * 2: Lazarus W. Powell (1812-1867), Democratic
 * 3: John C. Breckinridge (1821-1875), Democratic ...expelled by resolution of December 4, 1861.
 * Garrett Davis (1801-1872), Unionist ...elected to fill vacancy, December 10, 1861.
 * House of Representatives (10 seats)


 * 1: Henry C. Burnett (1825-1866), Democratic ...expelled by resolution of December 3, 1861.
 * Samuel L. Casey (1821-1902), Unionist ...elected to fill vacancy, seated March 10, 1862.
 * 2: James S. Jackson (1823-1862), Unionist ...resigned December 13, 1861.
 * George H. Yeaman (1829-1908), Unionist ...elected to fill vacancy, seated December 1, 1862.
 * 3: Henry Grider (1796-1866), Unionist
 * 4: Aaron Harding (1805-1875), Unionist
 * 5: Charles A. Wickliffe (1788-1869), Unionist
 * 6: George W. Dunlap (1813-1880), Unionist
 * 7: Robert Mallory (1815-1885), Unionist
 * 8: John J. Crittenden (1786-1863), Unionist
 * 9: William H. Wadsworth (1821-1893), Unionist
 * 10: John W. Menzies (1819-1897), Unionist

Louisiana

 * Senate


 * 2: vacant  …seat declared vacant, March 14, 1861, state having seceded.
 * 3: vacant
 * House of Representatives (4 seats)


 * 1: Benjamin F. Flanders (1816-1896), Unionist ...credentials accepted, seated February 23, 1863.
 * 2: Michael Hahn (1830-1886), Unionist ...credentials accepted, seated February 17, 1863.

Maine

 * Senate


 * 2: William Pitt Fessenden (1806-1869), Republican
 * 1: Lot M. Morrill (1813-1883), Republican
 * House of Representatives (6 seats)


 * 1: John N. Goodwin (1824-1887), Republican
 * 2: Charles W. Walton (1819-1900), Republican ...resigned May 26, 1862.
 * Thomas A. D. Fessenden (1826-1868), Republican ...elected to fill vacancy, seated December 1, 1862.
 * 3: Samuel C. Fessenden (1815-1882), Republican
 * 4: Anson P. Morrill (1803-1887), Republican
 * 5: John H. Rice (1816-1911), Republican
 * 6: Frederick A. Pike (1816-1886), Republican

Maryland

 * Senate


 * 3: James A. Pearce (1805-1862), Democratic ...died December 20, 1862.
 * Thomas H. Hicks (1798-1865), Unionist ...appointed to fill vacancy, December 29, 1862.
 * 1: Anthony Kennedy (1810-1892), Unionist
 * House of Representatives (6 seats)


 * 1: John W. Crisfield (1806-1897), Unionist
 * 2: Edwin H. Webster (1829-1893), Unionist
 * 3: Cornelius L. L. Leary (1813-1893), Unionist
 * 4: Henry May (1816-1866), Unionist
 * 5: Francis Thomas (1799-1876), Unionist
 * 6: Charles B. Calvert (1808-1864), Unionist

Massachusetts

 * Senate


 * 1: Charles Sumner (1811-1874), Republican
 * 2: Henry Wilson (1812-1875), Republican
 * House of Representatives (11 seats)


 * 1: Thomas D. Eliot (1808-1870), Republican
 * 2: James Buffinton (1817-1875), Republican
 * 3: Charles F. Adams, Sr. (1807-1886), Republican ...resigned May 1, 1861, before Congress assembled.
 * Benjamin F. Thomas (1813-1878), Unionist ...elected to fill vacancy, seated July 4, 1861.
 * 4: Alexander H. Rice (1818-1895), Republican
 * 5: William Appleton (1786-1862), Constitutional Union ...resigned September 27, 1861.
 * Samuel Hooper (1808-1875), Republican ...elected to fill vacancy, seated December 2, 1861.
 * 6: John B. Alley (1817-1896), Republican
 * 7: Daniel W. Gooch (1820-1891), Republican
 * 8: Charles R. Train (1817-1885), Republican
 * 9: Goldsmith F. Bailey (1823-1862), Republican ...died May 8, 1862.
 * Amasa Walker (1799-1875), Republican ...elected to fill vacancy, seated December 1, 1862.
 * 10: Charles Delano (1820-1883), Republican
 * 11: Henry L. Dawes (1816-1903), Republican

Michigan

 * Senate


 * 1: Zachariah Chandler (1813-1879), Republican
 * 2: Kinsley S. Bingham (1808-1861), Republican ...died October 5, 1861.
 * Jacob M. Howard (1805-1871), Republican ...elected to fill vacancy, January 4, 1862.
 * House of Representatives (4 seats)


 * 1: Bradley F. Granger (1825-1882), Republican
 * 2: Fernando C. Beaman (1814-1882), Republican
 * 3: Francis W. Kellogg (1810-1879), Republican
 * 4: Rowland E. Trowbridge (1821-1881), Republican

Minnesota

 * Senate


 * 1: Henry M. Rice (1816-1894), Democratic
 * 2: Morton S. Wilkinson (1819-1894), Republican
 * House of Representatives (2 seats)


 * 1: Cyrus Aldrich (1808-1871), Republican
 * 2: William Windom (1827-1891), Republican

Mississippi

 * Senate


 * 1: vacant  …seat declared vacant, March 14, 1861, state having seceded.
 * 2: vacant  …seat declared vacant, March 14, 1861, state having seceded.
 * House of Representatives (5 seats)


 * all seats vacant

Missouri

 * Senate


 * 1: Trusten Polk (1811-1876), Democratic ...expelled by resolution of January 10, 1862.
 * John B. Henderson (1826-1913), Unionist ...appointed to fill vacancy, January 17, 1862.
 * 3: Waldo Porter Johnson (1817-1885), Democratic ...expelled by resolution of January 10, 1862.
 * Robert Wilson (1803-1870), Unionist ...appointed to fill vacancy, January 17, 1862.
 * House of Representatives (7 seats)


 * 1: Francis P. Blair, Jr. (1821-1875), Republican ...resigned July 1862.
 * 2: James S. Rollins (1812-1888), Constitutional Union
 * 3: John B. Clark (1802-1885), Democratic ...expelled by resolution of July 13, 1861.
 * William A. Hall (1815-1888), Democratic ...elected to fill vacancy, seated January 20, 1862.
 * 4: Elijah H. Norton (1821-1914), Democratic
 * 5: John W. Reid (1821-1881), Democratic ...expelled by resolution of December 2, 1861.
 * Thomas L. Price (1809-1870), Democratic ...elected to fill vacancy, seated January 21, 1862.
 * 6: John S. Phelps (1814-1886), Democratic
 * 7: John W. Noell (1816-1863), Democratic

New Hampshire

 * Senate


 * 2: John P. Hale (1806-1873), Republican
 * 3: Daniel Clark (1809-1891), Republican
 * House of Representatives (3 seats)


 * 1: Gilman Marston (1811-1890), Republican
 * 2: Edward H. Rollins (1824-1889), Republican
 * 3: Thomas M. Edwards (1795-1875), Republican

New Jersey

 * Senate


 * 1: John R. Thomson (1800-1862), Democratic ...died September 12, 1862.
 * Richard S. Field (1803-1870), Republican ...appointed to fill vacancy, November 21, 1862.
 * James W. Wall (1820-1872), Democratic ...elected to fill vacancy, January 14, 1863.
 * 2: John C. Ten Eyck (1814-1879), Republican
 * House of Representatives (5 seats)


 * 1: John T. Nixon (1820-1889), Republican
 * 2: John L. N. Stratton (1817-1889), Republican
 * 3: William G. Steele (1820-1892), Democratic
 * 4: George T. Cobb (1813-1870), Democratic
 * 5: Nehemiah Perry (1816-1881), Democratic

New York

 * Senate


 * 1: Preston King (1806-1865), Republican
 * 3: Ira Harris (1802-1875), Republican
 * House of Representatives (33 seats)


 * 1: Edward H. Smith (1809-1885), Democratic
 * 2: Moses F. Odell (1818-1866), Democratic
 * 3: Benjamin Wood (1820-1900), Democratic
 * 4: James E. Kerrigan (1828-1899), Independent Democratic
 * 5: William Wall (1800-1872), Republican
 * 6: Frederick A. Conkling (1816-1891), Republican
 * 7: Elijah Ward (1816-1882), Democratic
 * 8: Isaac C. Delaplaine (1817-1866), Democratic
 * 9: Edward Haight (1817-1885), Democratic
 * 10: Charles H. Van Wyck (1824-1895), Republican
 * 11: John B. Steele (1814-1866), Democratic
 * 12: Stephen Baker (1819-1875), Republican
 * 13: Abram B. Olin (1808-1879), Republican
 * 14: Erastus Corning (1794-1872), Democratic
 * 15: James B. McKean (1821-1879), Republican
 * 16: William A. Wheeler (1819-1887), Republican
 * 17: Socrates N. Sherman (1801-1873), Republican
 * 18: Chauncey Vibbard (1811-1891), Democratic
 * 19: Richard Franchot (1816-1875), Republican
 * 20: Roscoe Conkling (1829-1888), Republican
 * 21: R. Holland Duell (1824-1891), Republican
 * 22: William E. Lansing (1821-1883), Republican
 * 23: Ambrose W. Clark (1810-1887), Republican
 * 24: Charles B. Sedgwick (1815-1883), Republican
 * 25: Theodore M. Pomeroy (1824-1905), Republican
 * 26: Jacob P. Chamberlain (1802-1878), Republican
 * 27: Alexander S. Diven (1809-1896), Republican
 * 28: Robert B. Van Valkenburg (1821-1888), Republican
 * 29: Alfred Ely (1815-1892), Republican
 * 30: Augustus Frank (1826-1895), Republican
 * 31: Burt Van Horn (1823-1896), Republican
 * 32: Elbridge G. Spaulding (1809-1897), Republican
 * 33: Reuben E. Fenton (1819-1885), Republican

North Carolina

 * Senate


 * 3: Thomas L. Clingman (1812-1897), Democratic ...withdrew March 11, 1861, state having seceded.
 * 2: Thomas Bragg (1810-1872), Democratic ...withdrew March 8, 1861, state having seceded.
 * House of Representatives (8 seats)


 * all seats vacant

Ohio

 * Senate


 * 1: Benjamin F. Wade (1800-1878), Republican
 * 3: Salmon P. Chase (1808-1873), Republican ...resigned March 6, 1861.
 * John Sherman (1823-1900), Republican ...elected to fill vacancy, March 21, 1861.
 * House of Representatives (21 seats)


 * 1: George H. Pendleton (1825-1889), Democratic
 * 2: John A. Gurley (1813-1863), Republican
 * 3: Clement L. Vallandigham (1820-1871), Democratic
 * 4: William Allen (1827-1881), Democratic
 * 5: James M. Ashley (1824-1896), Republican
 * 6: Chilton A. White (1826-1900), Democratic
 * 7: Thomas Corwin (1794-1865), Republican ...resigned March 12, 1861, before Congress assembled.
 * Richard A. Harrison (1824-1904), Unionist ...elected to fill vacancy, seated July 4, 1861.
 * 8: Samuel Shellabarger (1817-1896), Republican
 * 9: Warren P. Noble (1820-1903), Democratic
 * 10: Carey A. Trimble (1813-1887), Republican
 * 11: Valentine B. Horton (1802-1888), Republican
 * 12: Samuel S. Cox (1824-1889), Democratic
 * 13: John Sherman (1823-1900), Republican ...resigned March 21, 1861, before Congress assembled.
 * Samuel T. Worcester (1804-1882), Republican ...elected to fill vacancy, seated July 4, 1861.
 * 14: Harrison G. O. Blake (1818-1876), Republican
 * 15: Robert H. Nugen (1809-1872), Democratic
 * 16: William P. Cutler (1812-1889), Republican
 * 17: James R. Morris (1819-1899), Democratic
 * 18: Sidney Edgerton (1818-1900), Republican
 * 19: Albert G. Riddle (1816-1902), Republican
 * 20: John Hutchins (1812-1891), Republican
 * 21: John A. Bingham (1815-1900), Republican

Oregon

 * Senate


 * 2: Edward D. Baker (1811-1861), Republican ...died October 21, 1861.
 * Benjamin Stark (1820-1898), Democratic ...appointed to fill vacancy, seated February 27, 1862.
 * Benjamin F. Harding (1823-1899), Democratic ...elected to fill vacancy, September 12, 1862.
 * 3: James W. Nesmith (1820-1885), Democratic
 * House of Representatives (1 seat)


 * A/L: Andrew J. Thayer (1818-1873), Democratic ...contested election, served until July 30, 1861.
 * George K. Shiel (1825-1893), Democratic ...contested election, seated July 30, 1861.

Pennsylvania

 * Senate


 * 1: Simon Cameron (1799-1889), Republican ...resigned March 4, 1861.
 * David Wilmot (1814-1868), Republican ...elected to fill vacancy, seated March 18, 1861.
 * 3: Edgar Cowan (1815-1885), Republican
 * House of Representatives (25 seats)


 * 1: William E. Lehman (1821-1895), Democratic
 * 2: Edward Joy Morris (1815-1881), Republican ...resigned June 8, 1861, before Congress assembled.
 * Charles J. Biddle (1819-1873), Democratic ...elected to fill vacancy, seated December 2, 1861.
 * 3: John P. Verree (1817-1889), Republican
 * 4: William D. Kelley (1814-1890), Republican
 * 5: William Morris Davis (1815-1891), Republican
 * 6: John Hickman (1810-1875), Republican
 * 7: Thomas B. Cooper (1823-1862), Democratic ...died April 4, 1862.
 * John D. Stiles (1822-1896), Democratic ...elected to fill vacancy, seated June 3, 1862.
 * 8: Sydenham E. Ancona (1824-1913), Democratic
 * 9: Thaddeus Stevens (1792-1868), Republican
 * 10: John W. Killinger (1824-1896), Republican
 * 11: James H. Campbell (1820-1895), Republican
 * 12: George W. Scranton (1811-1861), Republican ...died March 24, 1861, before Congress assembled.
 * Hendrick B. Wright (1808-1881), Democratic ...elected to fill vacancy, seated July 4, 1861.
 * 13: Philip Johnson (1818-1867), Democratic
 * 14: Galusha A. Grow (1823-1907), Republican
 * 15: James T. Hale (1810-1865), Republican
 * 16: Joseph Bailey (1810-1885), Democratic
 * 17: Edward McPherson (1830-1895), Republican
 * 18: Samuel S. Blair (1821-1890), Republican
 * 19: John Covode (1808-1871), Republican
 * 20: Jesse Lazear (1804-1877), Democratic
 * 21: James K. Moorhead (1806-1884), Republican
 * 22: Robert McKnight (1820-1885), Republican
 * 23: John W. Wallace (1818-1889), Republican
 * 24: John Patton (1823-1897), Republican
 * 25: Elijah Babbitt (1795-1887), Republican

Rhode Island

 * Senate


 * 1: James F. Simmons (1795-1864), Republican ...resigned August 15, 1862.
 * Samuel G. Arnold (1821-1880), Republican ...elected to fill vacancy, September 5, 1862.
 * 2: Henry B. Anthony (1815-1884), Republican
 * House of Representatives (2 seats)


 * 1: William P. Sheffield (1820-1907), Union
 * 2: George H. Browne (1811-1885), Union

South Carolina

 * Senate


 * 2: James Chesnut, Jr. (1815-1885), Democratic ...expelled by resolution, July 11, 1861, state having seceded.
 * 3: vacant
 * House of Representatives (6 seats)


 * all seats vacant

Tennessee

 * Senate


 * 1: Andrew Johnson (1808-1875), Democratic ...resigned March 4, 1862.
 * 2: Alfred O. P. Nicholson (1808-1876), Democratic ...expelled by resolution of July 11, 1861, state having seceded.
 * House of Representatives (10 seats)


 * 2: Horace Maynard (1814-1882), Unionist ...special election, seated December 2, 1861.
 * 3: George W. Bridges (1825-1873), Unionist ...special election, seated February 25, 1863.
 * 4: Andrew J. Clements (1832-1913), Unionist ...special election, seated January 13, 1862.

Texas

 * Senate


 * 2: John Hemphill (1803-1862), Democratic ...expelled by resolution of July 11, 1861, state having seceded.
 * 1: Louis T. Wigfall (1816-1874), Democratic ...expelled by resolution of July 11, 1861, state having seceded.
 * House of Representatives (2 seats)


 * all seats vacant

Vermont

 * Senate


 * 1: Solomon Foot (1802-1866), Republican
 * 3: Jacob Collamer (1791-1865), Republican
 * House of Representatives (3 seats)


 * 1: Eliakim P. Walton (1812-1890), Republican
 * 2: Justin S. Morrill (1810-1898), Republican
 * 3: Portus Baxter (1806-1868), Republican

Virginia

 * Senate


 * 1: James M. Mason (1798-1871), Democratic ...withdrew March 28, 1861, state having seceded.
 * Waitman T. Willey (1811-1900), Unionist ...elected to fill vacancy, July 9, 1861.
 * 2: Robert M. T. Hunter (1809-1887), Democratic ...withdrew March 28, 1861, state having seceded.
 * John S. Carlile (1817-1878), Unionist ...elected to fill vacancy, July 9, 1861.
 * House of Representatives (13 seats)


 * 1: Joseph E. Segar (1804-1880), Unionist ...special election, seated May 6, 1862.
 * 7: Charles H. Upton (1812-1877), Unionist ...contested election, served until February 27, 1862.
 * Lewis McKenzie (1810-1895), Unionist ...elected to fill vacancy, seated February 16, 1863.
 * 10: William G. Brown, Sr. (1800-1884), Unionist
 * 11: John S. Carlile (1817-1878), Unionist ...resigned July 9, 1861.
 * Jacob B. Blair (1821-1901), Unionist ...elected to fill vacancy, seated December 2, 1861.
 * 12: Kellian V. Whaley (1821-1876), Unionist

Wisconsin

 * Senate


 * 1: James R. Doolittle (1815-1897), Republican
 * 3: Timothy O. Howe (1816-1883), Republican
 * House of Representatives (3 seats)


 * 1: John F. Potter (1817-1899), Republican
 * 2: Luther Hanchett (1825-1862), Republican ...died November 24, 1862
 * Walter D. McIndoe (1819-1872), Republican ...elected to fill vacancy, seated January 26, 1863.
 * 3: A. Scott Sloan (1820-1895), Republican

Delegates

 * Colorado Territory


 * A/L: Hiram P. Bennet (1826-1914), Republican ...new territory, seated December 2, 1861.
 * Dakota Territory


 * A/L: John B. S. Todd (1814-1872), Democratic ...new territory, seated December 9, 1861.
 * Nebraska Territory


 * A/L: Samuel G. Daily (1823-1866), Republican
 * Nevada Territory


 * A/L: John Cradlebaugh (1819-1872), Independent ...new territory, seated December 2, 1861.
 * New Mexico Territory


 * A/L: John S. Watts (1816-1876), Republican
 * Utah Territory


 * A/L: John M. Bernhisel (1799-1881), Independent
 * Washington Territory


 * A/L: William H. Wallace (1811-1879), Republican

Membership detail by Chamber/Party
The list below is arranged by chamber, then by political party. Members are shown in alphabetical order.

Senate
Senators were elected by the state legislatures every two years, with one-third beginning new six year terms with each Congress.

House of Representatives
Members of the House of Representatives were elected by popular vote, variously to single member districts or at-large.

Membership Changes
The count below reflects changes from the beginning of the first session of this Congress.