59th United States Congress

The 59th United States Congress was a meeting of the legislative branch of the United States federal government, composed of the United States Senate and the United States House of Representatives. It met in Washington, D.C. from March 4, 1905, to March 4, 1907, during the fifth and sixth years of Theodore Roosevelt's presidency. The apportionment of seats in the House of Representatives was based on the 1900 United States census. Both chambers had a Republican majority.

Major events

 * March 4, 1905: President Theodore Roosevelt began his second (only full) term.

Major legislation

 * May 28, 1906: Foreign Dredge Act of 1906
 * June 8, 1906: Antiquities Act
 * June 29, 1906: Hepburn Act
 * June 30, 1906: Pure Food and Drug Act of 1906 (Wiley Act), ch. 3915,
 * June 30, 1906: Meat Inspection Act (Beveridge Act)
 * 1906: The Carnegie Foundation for the Advancement of Teaching chartered.
 * March 2, 1907: Expatriation Act of 1907,

Presiding

 * President: Charles W. Fairbanks (R)
 * President pro tempore: William P. Frye (R)
 * Republican Conference Chairman: William B. Allison
 * Democratic Caucus Chair: Arthur Pue Gorman, until June 4, 1906
 * Joseph Clay Stiles Blackburn, afterwards
 * Democratic Caucus Secretary: Edward W. Carmack

Presiding

 * Speaker: Joseph G. Cannon (R)

Majority (Republican) leadership

 * Majority Leader: Sereno E. Payne
 * Majority Whip: James E. Watson
 * Republican Conference Chair: William Peters Hepburn

Minority (Democratic) leadership

 * Minority Leader: John Sharp Williams
 * Minority Whip: James T. Lloyd
 * Democratic Caucus Chairman: Robert Lee Henry
 * Democratic Campaign Committee Chairman: James M. Griggs

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
At this time, 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 2 meant their term ended with this Congress, requiring reelection in 1906; Class 3 meant their term began in the last Congress, requiring reelection in 1908; and Class 1 meant their term began in this Congress, requiring reelection in 1910.

Alabama

 * 2. John T. Morgan (D)
 * 3. Edmund Pettus (D)

Arkansas

 * 2. James H. Berry (D)
 * 3. James P. Clarke (D)

California

 * 1. Frank P. Flint (R)
 * 3. George C. Perkins (R)

Colorado

 * 2. Thomas M. Patterson (D)
 * 3. Henry M. Teller (D)

Connecticut

 * 1. Morgan G. Bulkeley (R)
 * 3. Orville H. Platt (R), until April 21, 1905
 * Frank B. Brandegee (R), from May 10, 1905

Delaware

 * 1. Henry A. du Pont, (R), from June 13, 1906
 * 2. J. Frank Allee (R)

Florida

 * 2. James P. Taliaferro (D)
 * 3. Stephen Mallory (D)

Georgia

 * 2. Augustus O. Bacon (D)
 * 3. Alexander S. Clay (D)

Idaho

 * 2. Fred Dubois (D)
 * 3. Weldon B. Heyburn (R)

Illinois

 * 2. Shelby M. Cullom (R)
 * 3. Albert J. Hopkins (R)

Indiana

 * 1. Albert J. Beveridge (R)
 * 3. James A. Hemenway (R)

Iowa

 * 2. Jonathan P. Dolliver (R)
 * 3. William B. Allison (R)

Kansas

 * 2. Joseph R. Burton (R), until June 4, 1906
 * Alfred W. Benson (R), June 11, 1906 - January 23, 1907
 * Charles Curtis (R), from January 29, 1907
 * 3. Chester I. Long (R)

Kentucky

 * 2. Joseph C. S. Blackburn (D)
 * 3. James B. McCreary (D)

Louisiana

 * 2. Murphy J. Foster (D)
 * 3. Samuel D. McEnery (D)

Maine

 * 1. Eugene Hale (R)
 * 2. William P. Frye (R)

Maryland

 * 1. Isidor Rayner (D)
 * 3. Arthur P. Gorman (D), until June 4, 1906
 * William Pinkney Whyte (D), from June 8, 1906

Massachusetts

 * 1. Henry Cabot Lodge (R)
 * 2. Winthrop M. Crane (R)

Michigan

 * 1. Julius C. Burrows (R)
 * 2. Russell A. Alger (R), until January 24, 1907
 * William Alden Smith (R), from February 6, 1907

Minnesota

 * 1. Moses E. Clapp (R)
 * 2. Knute Nelson (R)

Mississippi

 * 1. Hernando D. Money (D)
 * 2. Anselm J. McLaurin (D)

Missouri

 * 1. William Warner (R), from March 18, 1905
 * 3. William J. Stone (D)



Montana

 * 1. Thomas H. Carter (R)
 * 2. William A. Clark (D)

Nebraska

 * 1. Elmer J. Burkett (R)
 * 2. Joseph H. Millard (R)

Nevada

 * 1. George S. Nixon (R)
 * 3. Francis G. Newlands (D)

New Hampshire

 * 2. Henry E. Burnham (R)
 * 3. Jacob H. Gallinger (R)

New Jersey

 * 1. John Kean Jr. (R)
 * 2. John F. Dryden (R)

New York

 * 1. Chauncey M. Depew (R)
 * 3. Thomas C. Platt (R)

North Carolina

 * 2. Furnifold M. Simmons (D)
 * 3. Lee S. Overman (D)

North Dakota

 * 1. Porter J. McCumber (R)
 * 3. Henry C. Hansbrough (R)

Ohio

 * 1. Charles W. F. Dick (R)
 * 3. Joseph B. Foraker (R)

Oregon

 * 2. John H. Mitchell (R), until December 8, 1905
 * John M. Gearin (D), December 13, 1905 - January 23, 1907
 * Frederick W. Mulkey (R), from January 23, 1907
 * 3. Charles W. Fulton (R)

Pennsylvania

 * 1. Philander C. Knox (R)
 * 3. Boies Penrose (R)

Rhode Island

 * 1. Nelson W. Aldrich (R)
 * 2. George P. Wetmore (R)

South Carolina

 * 2. Benjamin R. Tillman (D)
 * 3. Asbury C. Latimer (D)

South Dakota

 * 2. Robert J. Gamble (R)
 * 3. Alfred B. Kittredge (R)

Tennessee

 * 1. William B. Bate (D), until March 9, 1905
 * James B. Frazier (D), from March 21, 1905
 * 2. Edward W. Carmack (D)

Texas

 * 1. Charles A. Culberson (D)
 * 2. Joseph W. Bailey (D)

Utah

 * 1. George Sutherland (R)
 * 3. Reed Smoot (R)

Vermont

 * 1. Redfield Proctor (R)
 * 3. William P. Dillingham (R)

Virginia

 * 1. John W. Daniel (D)
 * 2. Thomas S. Martin (D)

Washington

 * 1. Samuel H. Piles (R)
 * 3. Levi Ankeny (R)

West Virginia

 * 1. Nathan B. Scott (R)
 * 2. Stephen B. Elkins (R)

Wisconsin

 * 1. Robert M. La Follette Sr. (R)
 * 3. John C. Spooner (R)

Wyoming

 * 1. Clarence D. Clark (R)
 * 2. Francis E. Warren (R)



Alabama

 * Alabama's 1st congressional district. George W. Taylor (D)
 * Alabama's 2nd congressional district. Ariosto A. Wiley (D)
 * Alabama's 3rd congressional district. Henry D. Clayton (D)
 * Alabama's 4th congressional district. Sydney J. Bowie (D)
 * Alabama's 5th congressional district. J. Thomas Heflin (D)
 * Alabama's 6th congressional district. John H. Bankhead (D)
 * Alabama's 7th congressional district. John L. Burnett (D)
 * Alabama's 8th congressional district. William N. Richardson (D)
 * Alabama's 9th congressional district. Oscar Underwood (D)

Arkansas

 * Arkansas's 1st congressional district. Robert B. Macon (D)
 * Arkansas's 2nd congressional district. Stephen Brundidge Jr. (D)
 * Arkansas's 3rd congressional district. John C. Floyd (D)
 * Arkansas's 4th congressional district. John S. Little (D), until January 14, 1907
 * Arkansas's 5th congressional district. Charles C. Reid (D)
 * Arkansas's 6th congressional district. Joseph Taylor Robinson (D)
 * Arkansas's 7th congressional district. Robert M. Wallace (D)

California

 * California's 1st congressional district. James N. Gillett (R), until November 4, 1906
 * William F. Englebright (R), from November 6, 1906
 * California's 2nd congressional district. Duncan E. McKinlay (R)
 * California's 3rd congressional district. Joseph R. Knowland (R)
 * California's 4th congressional district. Julius Kahn (R)
 * California's 5th congressional district. Everis A. Hayes (R)
 * California's 6th congressional district. James C. Needham (R)
 * California's 7th congressional district. James McLachlan (R)
 * California's 8th congressional district. Sylvester C. Smith (R)

Colorado

 * Colorado's 1st congressional district. Robert W. Bonynge (R)
 * Colorado's 2nd congressional district. Herschel M. Hogg (R)
 * Colorado's at-large congressional district. Franklin E. Brooks (R)

Connecticut

 * Connecticut's 1st congressional district. E. Stevens Henry (R)
 * Connecticut's 2nd congressional district. Nehemiah D. Sperry (R)
 * Connecticut's 3rd congressional district. Frank B. Brandegee (R), until May 10, 1905
 * Edwin W. Higgins (R), from October 2, 1905
 * Connecticut's 4th congressional district. Ebenezer J. Hill (R)
 * Connecticut's at-large congressional district. George L. Lilley (R)

Delaware

 * Delaware's at-large congressional district. Hiram R. Burton (R)

Florida

 * Florida's 1st congressional district. Stephen M. Sparkman (D)
 * Florida's 2nd congressional district. Frank Clark (D)
 * Florida's 3rd congressional district. William B. Lamar (D)

Georgia

 * Georgia's 1st congressional district. Rufus E. Lester (D), until June 16, 1906
 * James W. Overstreet (D), from October 3, 1906
 * Georgia's 2nd congressional district. James M. Griggs (D)
 * Georgia's 3rd congressional district. Elijah B. Lewis (D)
 * Georgia's 4th congressional district. William C. Adamson (D)
 * Georgia's 5th congressional district. Leonidas F. Livingston (D)
 * Georgia's 6th congressional district. Charles L. Bartlett (D)
 * Georgia's 7th congressional district. Gordon Lee (D)
 * Georgia's 8th congressional district. William M. Howard (D)
 * Georgia's 9th congressional district. Thomas Montgomery Bell (D)
 * Georgia's 10th congressional district. Thomas W. Hardwick (D)
 * Georgia's 11th congressional district. William G. Brantley (D)

Idaho

 * Idaho's at-large congressional district. Burton L. French (R)

Illinois

 * Illinois's 1st congressional district. Martin B. Madden (R)
 * Illinois's 2nd congressional district. James R. Mann (R)
 * Illinois's 3rd congressional district. William W. Wilson (R)
 * Illinois's 4th congressional district. Charles S. Wharton (R)
 * Illinois's 5th congressional district. Anthony Michalek (R)
 * Illinois's 6th congressional district. William Lorimer (R)
 * Illinois's 7th congressional district. Philip Knopf (R)
 * Illinois's 8th congressional district. Charles McGavin (R)
 * Illinois's 9th congressional district. Henry S. Boutell (R)
 * Illinois's 10th congressional district. George E. Foss (R)
 * Illinois's 11th congressional district. Howard M. Snapp (R)
 * Illinois's 12th congressional district. Charles Eugene Fuller (R)
 * Illinois's 13th congressional district. Robert R. Hitt (R), until September 20, 1906
 * Frank O. Lowden (R), from November 6, 1906
 * Illinois's 14th congressional district. Benjamin F. Marsh (R), until June 2, 1905
 * James McKinney (R), from November 7, 1905
 * Illinois's 15th congressional district. George W. Prince (R)
 * Illinois's 16th congressional district. Joseph V. Graff (R)
 * Illinois's 17th congressional district. John A. Sterling (R)
 * Illinois's 18th congressional district. Joseph G. Cannon (R)
 * Illinois's 19th congressional district. William B. McKinley (R)
 * Illinois's 20th congressional district. Henry T. Rainey (D)
 * Illinois's 21st congressional district. Zeno J. Rives (R)
 * Illinois's 22nd congressional district. William A. Rodenberg (R)
 * Illinois's 23rd congressional district. Frank S. Dickson (R)
 * Illinois's 24th congressional district. Pleasant T. Chapman (R)
 * Illinois's 25th congressional district. George Washington Smith (R)

Indiana

 * Indiana's 1st congressional district. John H. Foster (R), from May 16, 1905
 * Indiana's 2nd congressional district. John C. Chaney (R)
 * Indiana's 3rd congressional district. William T. Zenor (D)
 * Indiana's 4th congressional district. Lincoln Dixon (D)
 * Indiana's 5th congressional district. Elias S. Holliday (R)
 * Indiana's 6th congressional district. James E. Watson (R)
 * Indiana's 7th congressional district. Jesse Overstreet (R)
 * Indiana's 8th congressional district. George W. Cromer (R)
 * Indiana's 9th congressional district. Charles B. Landis (R)
 * Indiana's 10th congressional district. Edgar D. Crumpacker (R)
 * Indiana's 11th congressional district. Frederick Landis (R)
 * Indiana's 12th congressional district. Newton W. Gilbert (R), until November 6, 1906
 * Clarence C. Gilhams (R), from November 6, 1906
 * Indiana's 13th congressional district. Abraham L. Brick (R)

Iowa

 * Iowa's 1st congressional district. Thomas Hedge (R)
 * Iowa's 2nd congressional district. Albert F. Dawson (R)
 * Iowa's 3rd congressional district. Benjamin P. Birdsall (R)
 * Iowa's 4th congressional district. Gilbert N. Haugen (R)
 * Iowa's 5th congressional district. Robert G. Cousins (R)
 * Iowa's 6th congressional district. John F. Lacey (R)
 * Iowa's 7th congressional district. John A. T. Hull (R)
 * Iowa's 8th congressional district. William P. Hepburn (R)
 * Iowa's 9th congressional district. Walter I. Smith (R)
 * Iowa's 10th congressional district. James P. Conner (R)
 * Iowa's 11th congressional district. Elbert H. Hubbard (R)

Kansas

 * Kansas's 1st congressional district. Charles Curtis (R), until January 28, 1907
 * Kansas's 2nd congressional district. Justin De Witt Bowersock (R)
 * Kansas's 3rd congressional district. Philip P. Campbell (R)
 * Kansas's 4th congressional district. James Monroe Miller (R)
 * Kansas's 5th congressional district. William A. Calderhead (R)
 * Kansas's 6th congressional district. William A. Reeder (R)
 * Kansas's 7th congressional district. Victor Murdock (R)
 * Kansas's at-large congressional district. Charles Frederick Scott (R)

Kentucky

 * Kentucky's 1st congressional district. Ollie M. James (D)
 * Kentucky's 2nd congressional district. Augustus Stanley (D)
 * Kentucky's 3rd congressional district. James M. Richardson (D)
 * Kentucky's 4th congressional district. David Highbaugh Smith (D)
 * Kentucky's 5th congressional district. J. Swagar Sherley (D)
 * Kentucky's 6th congressional district. Joseph L. Rhinock (D)
 * Kentucky's 7th congressional district. South Trimble (D)
 * Kentucky's 8th congressional district. George G. Gilbert (D)
 * Kentucky's 9th congressional district. Joseph B. Bennett (R)
 * Kentucky's 10th congressional district. Francis A. Hopkins (D)
 * Kentucky's 11th congressional district. Don C. Edwards (R)

Louisiana

 * Louisiana's 1st congressional district. Adolph Meyer (D)
 * Louisiana's 2nd congressional district. Robert C. Davey (D)
 * Louisiana's 3rd congressional district. Robert F. Broussard (D)
 * Louisiana's 4th congressional district. John Thomas Watkins (D)
 * Louisiana's 5th congressional district. Joseph E. Ransdell (D)
 * Louisiana's 6th congressional district. Samuel M. Robertson (D)
 * Louisiana's 7th congressional district. Arsène Paulin Pujó (D)

Maine

 * Maine's 1st congressional district. Amos L. Allen (R)
 * Maine's 2nd congressional district. Charles E. Littlefield (R)
 * Maine's 3rd congressional district. Edwin C. Burleigh (R)
 * Maine's 4th congressional district. Llewellyn Powers (R)

Maryland

 * Maryland's 1st congressional district. Thomas A. Smith (D)
 * Maryland's 2nd congressional district. J. Frederick C. Talbott (D)
 * Maryland's 3rd congressional district. Frank C. Wachter (R)
 * Maryland's 4th congressional district. John Gill Jr. (D)
 * Maryland's 5th congressional district. Sydney E. Mudd (R)
 * Maryland's 6th congressional district. George A. Pearre (R)

Massachusetts

 * Massachusetts's 1st congressional district. George P. Lawrence (R)
 * Massachusetts's 2nd congressional district. Frederick H. Gillett (R)
 * Massachusetts's 3rd congressional district. Rockwood Hoar (R), until November 1, 1906
 * Charles G. Washburn (R), from December 18, 1906
 * Massachusetts's 4th congressional district. Charles Q. Tirrell (R)
 * Massachusetts's 5th congressional district. Butler Ames (R)
 * Massachusetts's 6th congressional district. Augustus P. Gardner (R)
 * Massachusetts's 7th congressional district. Ernest W. Roberts (R)
 * Massachusetts's 8th congressional district. Samuel W. McCall (R)
 * Massachusetts's 9th congressional district. John A. Keliher (D)
 * Massachusetts's 10th congressional district. William S. McNary (D)
 * Massachusetts's 11th congressional district. John Andrew Sullivan (D)
 * Massachusetts's 12th congressional district. John W. Weeks (R)
 * Massachusetts's 13th congressional district. William S. Greene (R)
 * Massachusetts's 14th congressional district. William C. Lovering (R)

Michigan

 * Michigan's 1st congressional district. Edwin C. Denby (R)
 * Michigan's 2nd congressional district. Charles E. Townsend (R)
 * Michigan's 3rd congressional district. Washington Gardner (R)
 * Michigan's 4th congressional district. Edward L. Hamilton (R)
 * Michigan's 5th congressional district. William Alden Smith (R), until February 9, 1907
 * Michigan's 6th congressional district. Samuel W. Smith (R)
 * Michigan's 7th congressional district. Henry McMorran (R)
 * Michigan's 8th congressional district. Joseph W. Fordney (R)
 * Michigan's 9th congressional district. Roswell P. Bishop (R)
 * Michigan's 10th congressional district. George A. Loud (R)
 * Michigan's 11th congressional district. Archibald B. Darragh (R)
 * Michigan's 12th congressional district. H. Olin Young (R)

Minnesota

 * Minnesota's 1st congressional district. James Albertus Tawney (R)
 * Minnesota's 2nd congressional district. James T. McCleary (R)
 * Minnesota's 3rd congressional district. Charles Russell Davis (R)
 * Minnesota's 4th congressional district. Frederick C. Stevens (R)
 * Minnesota's 5th congressional district. Loren Fletcher (R)
 * Minnesota's 6th congressional district. Clarence Buckman (R)
 * Minnesota's 7th congressional district. Andrew Volstead (R)
 * Minnesota's 8th congressional district. James Bede (R)
 * Minnesota's 9th congressional district. Halvor Steenerson (R)

Mississippi

 * Mississippi's 1st congressional district. Ezekiel S. Candler Jr. (D)
 * Mississippi's 2nd congressional district. Thomas Spight (D)
 * Mississippi's 3rd congressional district. Benjamin G. Humphreys II (D)
 * Mississippi's 4th congressional district. Wilson S. Hill (D)
 * Mississippi's 5th congressional district. Adam M. Byrd (D)
 * Mississippi's 6th congressional district. Eaton J. Bowers (D)
 * Mississippi's 7th congressional district. Frank A. McLain (D)
 * Mississippi's 8th congressional district. John Sharp Williams (D)

Missouri

 * Missouri's 1st congressional district. James T. Lloyd (D)
 * Missouri's 2nd congressional district. William W. Rucker (D)
 * Missouri's 3rd congressional district. Frank B. Klepper (R)
 * Missouri's 4th congressional district. Frank B. Fulkerson (R)
 * Missouri's 5th congressional district. Edgar C. Ellis (R)
 * Missouri's 6th congressional district. David A. De Armond (D)
 * Missouri's 7th congressional district. John Welborn (R)
 * Missouri's 8th congressional district. Dorsey W. Shackleford (D)
 * Missouri's 9th congressional district. James Beauchamp Clark (D)
 * Missouri's 10th congressional district. Richard Bartholdt (R)
 * Missouri's 11th congressional district. John T. Hunt (D)
 * Missouri's 12th congressional district. Ernest E. Wood (D), until June 23, 1906
 * Harry M. Coudrey (R), from June 23, 1906
 * Missouri's 13th congressional district. Marion E. Rhodes (R)
 * Missouri's 14th congressional district. William T. Tyndall (R)
 * Missouri's 15th congressional district. Cassius M. Shartel (R)
 * Missouri's 16th congressional district. Arthur P. Murphy (R)

Montana

 * Montana's at-large congressional district. Joseph M. Dixon (R)

Nebraska

 * Nebraska's 1st congressional district. Elmer J. Burkett (R), until March 4, 1905
 * Ernest M. Pollard (R), from July 18, 1905
 * Nebraska's 2nd congressional district. John L. Kennedy (R)
 * Nebraska's 3rd congressional district. John J. McCarthy (R)
 * Nebraska's 4th congressional district. Edmund H. Hinshaw (R)
 * Nebraska's 5th congressional district. George W. Norris (R)
 * Nebraska's 6th congressional district. Moses P. Kinkaid (R)

Nevada

 * Nevada's at-large congressional district. Clarence D. Van Duzer (D)

New Hampshire

 * New Hampshire's 1st congressional district. Cyrus A. Sulloway (R)
 * New Hampshire's 2nd congressional district. Frank Dunklee Currier (R)

New Jersey

 * New Jersey's 1st congressional district. Henry C. Loudenslager (R)
 * New Jersey's 2nd congressional district. John J. Gardner (R)
 * New Jersey's 3rd congressional district. Benjamin F. Howell (R)
 * New Jersey's 4th congressional district. Ira W. Wood (R)
 * New Jersey's 5th congressional district. Charles N. Fowler (R)
 * New Jersey's 6th congressional district. Henry C. Allen (R)
 * New Jersey's 7th congressional district. Richard Wayne Parker (R)
 * New Jersey's 8th congressional district. William H. Wiley (R)
 * New Jersey's 9th congressional district. Marshall Van Winkle (R)
 * New Jersey's 10th congressional district. Allan L. McDermott (D)

New York

 * New York's 1st congressional district. William W. Cocks (R)
 * New York's 2nd congressional district. George H. Lindsay (D)
 * New York's 3rd congressional district. Charles T. Dunwell (R)
 * New York's 4th congressional district. Charles B. Law (R)
 * New York's 5th congressional district. George E. Waldo (R)
 * New York's 6th congressional district. William M. Calder (R)
 * New York's 7th congressional district. John J. Fitzgerald (D)
 * New York's 8th congressional district. Timothy D. Sullivan (D), until July 27, 1906
 * Daniel J. Riordan (D), from November 6, 1906
 * New York's 9th congressional district. Henry M. Goldfogle (D)
 * New York's 10th congressional district. William Sulzer (D)
 * New York's 11th congressional district. William Randolph Hearst (D)
 * New York's 12th congressional district. W. Bourke Cockran (D)
 * New York's 13th congressional district. Herbert Parsons (R)
 * New York's 14th congressional district. Charles A. Towne (D)
 * New York's 15th congressional district. J. Van Vechten Olcott (R)
 * New York's 16th congressional district. Jacob Ruppert (D)
 * New York's 17th congressional district. William S. Bennet (R)
 * New York's 18th congressional district. Joseph A. Goulden (D)
 * New York's 19th congressional district. John E. Andrus (R)
 * New York's 20th congressional district. Thomas W. Bradley (R)
 * New York's 21st congressional district. John H. Ketcham (R), until November 4, 1906
 * New York's 22nd congressional district. William H. Draper (R)
 * New York's 23rd congressional district. George N. Southwick (R)
 * New York's 24th congressional district. Frank J. LeFevre (R)
 * New York's 25th congressional district. Lucius N. Littauer (R)
 * New York's 26th congressional district. William H. Flack (R), until February 2, 1907
 * New York's 27th congressional district. James S. Sherman (R)
 * New York's 28th congressional district. Charles L. Knapp (R)
 * New York's 29th congressional district. Michael E. Driscoll (R)
 * New York's 30th congressional district. John W. Dwight (R)
 * New York's 31st congressional district. Sereno E. Payne (R)
 * New York's 32nd congressional district. James B. Perkins (R)
 * New York's 33rd congressional district. J. Sloat Fassett (R)
 * New York's 34th congressional district. James W. Wadsworth (R)
 * New York's 35th congressional district. William H. Ryan (D)
 * New York's 36th congressional district. De Alva S. Alexander (R)
 * New York's 37th congressional district. Edward B. Vreeland (R)

North Carolina

 * North Carolina's 1st congressional district. John Humphrey Small (D)
 * North Carolina's 2nd congressional district. Claude Kitchin (D)
 * North Carolina's 3rd congressional district. Charles R. Thomas (D)
 * North Carolina's 4th congressional district. Edward W. Pou (D)
 * North Carolina's 5th congressional district. William W. Kitchin (D)
 * North Carolina's 6th congressional district. Gilbert B. Patterson (D)
 * North Carolina's 7th congressional district. Robert N. Page (D)
 * North Carolina's 8th congressional district. E. Spencer Blackburn (R)
 * North Carolina's 9th congressional district. Edwin Y. Webb (D)
 * North Carolina's 10th congressional district. James M. Gudger Jr. (D)

North Dakota

 * North Dakota's at-large congressional district. Thomas Frank Marshall (R)
 * North Dakota's at-large congressional district. Asle Gronna (R)

Ohio

 * Ohio's 1st congressional district. Nicholas Longworth (R)
 * Ohio's 2nd congressional district. Herman P. Goebel (R)
 * Ohio's 3rd congressional district. Robert M. Nevin (R)
 * Ohio's 4th congressional district. Harvey C. Garber (D)
 * Ohio's 5th congressional district. William Wildman Campbell (R)
 * Ohio's 6th congressional district. Thomas E. Scroggy (R)
 * Ohio's 7th congressional district. J. Warren Keifer (R)
 * Ohio's 8th congressional district. Ralph D. Cole (R)
 * Ohio's 9th congressional district. James H. Southard (R)
 * Ohio's 10th congressional district. Henry T. Bannon (R)
 * Ohio's 11th congressional district. Charles H. Grosvenor (R)
 * Ohio's 12th congressional district. Edward L. Taylor Jr. (R)
 * Ohio's 13th congressional district. Grant E. Mouser (R)
 * Ohio's 14th congressional district. Amos R. Webber (R)
 * Ohio's 15th congressional district. Beman G. Dawes (R)
 * Ohio's 16th congressional district. Capell L. Weems (R)
 * Ohio's 17th congressional district. Martin L. Smyser (R)
 * Ohio's 18th congressional district. James Kennedy (R)
 * Ohio's 19th congressional district. W. Aubrey Thomas (R)
 * Ohio's 20th congressional district. Jacob A. Beidler (R)
 * Ohio's 21st congressional district. Theodore E. Burton (R)

Oregon

 * Oregon's 1st congressional district. Binger Hermann (R)
 * Oregon's 2nd congressional district. John N. Williamson (R)

Pennsylvania

 * Pennsylvania's 1st congressional district. Henry H. Bingham (R)
 * Pennsylvania's 2nd congressional district. Robert Adams Jr. (R), until June 1, 1906
 * John E. Reyburn (R), from November 6, 1906
 * Pennsylvania's 3rd congressional district. George A. Castor (R), until February 19, 1906
 * J. Hampton Moore (R), from November 6, 1906
 * Pennsylvania's 4th congressional district. Reuben O. Moon (R)
 * Pennsylvania's 5th congressional district. Edward D. Morrell (R)
 * Pennsylvania's 6th congressional district. George D. McCreary (R)
 * Pennsylvania's 7th congressional district. Thomas S. Butler (R)
 * Pennsylvania's 8th congressional district. Irving P. Wanger (R)
 * Pennsylvania's 9th congressional district. Henry B. Cassel (R)
 * Pennsylvania's 10th congressional district. Thomas H. Dale (R)
 * Pennsylvania's 11th congressional district. Henry W. Palmer (R)
 * Pennsylvania's 12th congressional district. George R. Patterson (R), until March 21, 1906
 * Charles N. Brumm (R), from November 6, 1906
 * Pennsylvania's 13th congressional district. Marcus C. L. Kline (D)
 * Pennsylvania's 14th congressional district. Mial E. Lilley (R)
 * Pennsylvania's 15th congressional district. Elias Deemer (R)
 * Pennsylvania's 16th congressional district. Edmund W. Samuel (R)
 * Pennsylvania's 17th congressional district. Thaddeus M. Mahon (R)
 * Pennsylvania's 18th congressional district. Marlin E. Olmsted (R)
 * Pennsylvania's 19th congressional district. John M. Reynolds (R)
 * Pennsylvania's 20th congressional district. Daniel F. Lafean (R)
 * Pennsylvania's 21st congressional district. Solomon R. Dresser (R)
 * Pennsylvania's 22nd congressional district. George F. Huff (R)
 * Pennsylvania's 23rd congressional district. Allen F. Cooper (R)
 * Pennsylvania's 24th congressional district. Ernest F. Acheson (R)
 * Pennsylvania's 25th congressional district. Arthur L. Bates (R)
 * Pennsylvania's 26th congressional district. Gustav A. Schneebeli (R)
 * Pennsylvania's 27th congressional district. William O. Smith (R)
 * Pennsylvania's 28th congressional district. Joseph C. Sibley (R)
 * Pennsylvania's 29th congressional district. William H. Graham (R)
 * Pennsylvania's 30th congressional district. John Dalzell (R)
 * Pennsylvania's 31st congressional district. James F. Burke (R)
 * Pennsylvania's 32nd congressional district. Andrew J. Barchfeld (R)

Rhode Island

 * Rhode Island's 1st congressional district. Daniel L. D. Granger (D)
 * Rhode Island's 2nd congressional district. Adin B. Capron (R)

South Carolina

 * South Carolina's 1st congressional district. George S. Legare (D)
 * South Carolina's 2nd congressional district. James O. Patterson (D)
 * South Carolina's 3rd congressional district. Wyatt Aiken (D)
 * South Carolina's 4th congressional district. Joseph T. Johnson (D)
 * South Carolina's 5th congressional district. David E. Finley (D)
 * South Carolina's 6th congressional district. J. Edwin Ellerbe (D)
 * South Carolina's 7th congressional district. Asbury F. Lever (D)

South Dakota

 * South Dakota's at-large congressional district. Charles H. Burke (R)
 * South Dakota's at-large congressional district. Eben W. Martin (R)

Tennessee

 * Tennessee's 1st congressional district. Walter P. Brownlow (R)
 * Tennessee's 2nd congressional district. Nathan W. Hale (R)
 * Tennessee's 3rd congressional district. John A. Moon (D)
 * Tennessee's 4th congressional district. Mounce G. Butler (D)
 * Tennessee's 5th congressional district. William C. Houston (D)
 * Tennessee's 6th congressional district. John W. Gaines (D)
 * Tennessee's 7th congressional district. Lemuel P. Padgett (D)
 * Tennessee's 8th congressional district. Thetus W. Sims (D)
 * Tennessee's 9th congressional district. Finis J. Garrett (D)
 * Tennessee's 10th congressional district. Malcolm R. Patterson (D), until November 5, 1906

Texas

 * Texas's 1st congressional district. Morris Sheppard (D)
 * Texas's 2nd congressional district. Moses L. Broocks (D)
 * Texas's 3rd congressional district. Gordon J. Russell (D)
 * Texas's 4th congressional district. Choice B. Randell (D)
 * Texas's 5th congressional district. James Andrew Beall (D)
 * Texas's 6th congressional district. Scott Field (D)
 * Texas's 7th congressional district. Alexander W. Gregg (D)
 * Texas's 8th congressional district. John M. Pinckney (D), until April 24, 1905
 * John M. Moore (D), from June 6, 1905
 * Texas's 9th congressional district. George Farmer Burgess (D)
 * Texas's 10th congressional district. Albert S. Burleson (D)
 * Texas's 11th congressional district. Robert L. Henry (D)
 * Texas's 12th congressional district. Oscar W. Gillespie (D)
 * Texas's 13th congressional district. John H. Stephens (D)
 * Texas's 14th congressional district. James L. Slayden (D)
 * Texas's 15th congressional district. John Nance Garner (D)
 * Texas's 16th congressional district. William R. Smith (D)

Utah

 * Utah's at-large congressional district. Joseph Howell (R)

Vermont

 * Vermont's 1st congressional district. David J. Foster (R)
 * Vermont's 2nd congressional district. Kittredge Haskins (R)

Virginia

 * Virginia's 1st congressional district. William A. Jones (D)
 * Virginia's 2nd congressional district. Harry L. Maynard (D)
 * Virginia's 3rd congressional district. John Lamb (D)
 * Virginia's 4th congressional district. Robert G. Southall (D)
 * Virginia's 5th congressional district. Claude A. Swanson (D), until January 30, 1906
 * Edward W. Saunders (D), from November 6, 1906
 * Virginia's 6th congressional district. Carter Glass (D)
 * Virginia's 7th congressional district. James Hay (D)
 * Virginia's 8th congressional district. John F. Rixey (D), until February 8, 1907
 * Virginia's 9th congressional district. Campbell Slemp (R)
 * Virginia's 10th congressional district. Henry D. Flood (D)

Washington

 * Washington's at-large congressional district. Wesley L. Jones (R)
 * Washington's at-large congressional district. Francis W. Cushman (R)
 * Washington's at-large congressional district. William E. Humphrey (R)

West Virginia

 * West Virginia's 1st congressional district. Blackburn B. Dovener (R)
 * West Virginia's 2nd congressional district. Alston G. Dayton (R), until March 16, 1905
 * Thomas B. Davis (D), from June 6, 1905
 * West Virginia's 3rd congressional district. Joseph Holt Gaines (R)
 * West Virginia's 4th congressional district. Harry C. Woodyard (R)
 * West Virginia's 5th congressional district. James Anthony Hughes (R)

Wisconsin

 * Wisconsin's 1st congressional district. Henry Allen Cooper (R)
 * Wisconsin's 2nd congressional district. Henry C. Adams (R), until July 9, 1906
 * John M. Nelson (R), from September 4, 1906
 * Wisconsin's 3rd congressional district. Joseph W. Babcock (R)
 * Wisconsin's 4th congressional district. Theobald Otjen (R)
 * Wisconsin's 5th congressional district. William H. Stafford (R)
 * Wisconsin's 6th congressional district. Charles H. Weisse (D)
 * Wisconsin's 7th congressional district. John J. Esch (R)
 * Wisconsin's 8th congressional district. James H. Davidson (R)
 * Wisconsin's 9th congressional district. Edward S. Minor (R)
 * Wisconsin's 10th congressional district. Webster E. Brown (R)
 * Wisconsin's 11th congressional district. John J. Jenkins (R)

Wyoming

 * Wyoming's at-large congressional district. Franklin W. Mondell (R)

Non-voting members

 * Alaska Territory's at-large congressional district. Frank Hinman Waskey (D), from August 14, 1906
 * Arizona Territory's at-large congressional district. Marcus Aurelius Smith (D)
 * Hawaii Territory's at-large congressional district. Jonah Kunio Kalanianaole (R)
 * New Mexico Territory's at-large congressional district. William Henry Andrews (R)
 * Oklahoma Territory's at-large congressional district. Bird Segle McGuire (R)
 * Puerto Rico's at-large congressional district. Tulio Larrínaga (Resident Commissioner), (Unionist)

[[File:59 us house membership.png|thumb|300px|

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

Senate

 * Replacements: 8
 * Democratic: no net change
 * Republican: no net change
 * Deaths: 5
 * Resignations: 1
 * Vacancies: 2
 * Total seats with changes:  9

House of Representatives

 * Replacements: 17
 * Democratic: no net change
 * Republican: no net change
 * Deaths: 12
 * Resignations: 11
 * Contested elections: 1
 * New seats: 1
 * Total seats with changes: 26

Senate

 * Additional Accommodations for the Library of Congress (Select) (Chairman: Thomas S. Martin)
 * Agriculture and Forestry (Chairman: Redfield Proctor; Ranking Member: Chester I. Long)
 * Appropriations (Chairman: William B. Allison; Ranking Member: Henry M. Teller)
 * Audit and Control the Contingent Expenses of the Senate (Chairman: John Kean; Ranking Member: Hernando D. Money)
 * Canadian Relations (Chairman: Winthrop Murray Crane; Ranking Member: Benjamin R. Tillman)
 * Census (Chairman: Chester I. Long; Ranking Member: Samuel D. McEnery)
 * Civil Service and Retrenchment (Chairman: George C. Perkins; Ranking Member: Fred T. Dubois)
 * Claims (Chairman: Charles W. Fulton; Ranking Member: Thomas S. Martin)
 * Coast and Insular Survey (Chairman: Samuel H. Piles; Ranking Member: John T. Morgan)
 * Coast Defenses (Chairman: Philander C. Knox; Ranking Member: Charles A. Culberson)
 * Commerce (Chairman: William P. Frye; Ranking Member: James H. Berry)
 * Corporations Organized in the District of Columbia (Chairman: Samuel D. McEnery; Ranking Member: Nelson W. Aldrich)
 * Cuban Relations (Chairman: Henry E. Burnham; Ranking Member: Henry M. Teller)
 * Distributing Public Revenue Among the States (Select)
 * District of Columbia (Chairman: Jacob H. Gallinger; Ranking Member: Thomas S. Martin)
 * Education and Labor (Chairman: Jonathan P. Dolliver; Ranking Member: John W. Daniel)
 * Engrossed Bills (Chairman: James H. Berry; Ranking Member: Alfred B. Kittredge)
 * Enrolled Bills (Chairman: John F. Dryden; Ranking Member: Murphy J. Foster Jr.)
 * Establish a University in the United States (Select) (Chairman: James A. Hemenway; Ranking Member: Charles A. Culberson)
 * Examination of Disposition of Documents (Select) (Chairman: Edmund W. Pettus)
 * Examine the Several Branches in the Civil Service (Chairman: Morgan G. Bulkeley; Ranking Member: Charles A. Culberson)
 * Expenditures in Executive Departments
 * Finance (Chairman: Nelson W. Aldrich; Ranking Member: John W. Daniel)
 * Fisheries (Chairman: Albert J. Hopkins; Ranking Member: Stephen R. Mallory)
 * Five Civilized Tribes of Indians (Select) (Chairman: Benjamin R. Tillman; Ranking Member: John T. Morgan)
 * Foreign Relations (Chairman: Shelby M. Cullom; Ranking Member: John T. Morgan)
 * Forest Reservations and the Protection of Game (Chairman: Frank B. Brandegee; Ranking Member: John T. Morgan)
 * Geological Survey (Chairman: Frank P. Flint; Ranking Member: Hernando D. Money)
 * Immigration (Chairman: William P. Dillingham; Ranking Member: Anselm J. McLaurin)
 * Indian Affairs (Chairman: Moses E. Clapp; Ranking Member: John T. Morgan)
 * Indian Depredations (Chairman: Elmer J. Burkett; Ranking Member: Augustus O. Bacon)
 * Industrial Expositions (Chairman: William Warner; Ranking Member: John W. Daniel)
 * Investigate the Condition of the Potomac River Front at Washington (Select) (Chairman: Joseph H. Millard; Ranking Member: Thomas S. Martin)
 * Indian Territory (Select)
 * Interoceanic Canals (Chairman: Joseph H. Millard; Ranking Member: John T. Morgan)
 * Interstate Commerce (Chairman: Stephen B. Elkins; Ranking Member: Benjamin R. Tillman)
 * Irrigation and Reclamation of Arid Lands (Chairman: Levi Ankeny; Ranking Member: Clarence D. Van Duzer)
 * Judiciary (Chairman: Clarence D. Clark; Ranking Member: Joseph W. Bailey)
 * Library (Chairman: George P. Wetmore; Ranking Member: William A. Clark)
 * Manufactures (Chairman: Weldon B. Heyburn; Ranking Member: Alexander S. Clay)
 * Military Affairs (Chairman: Francis E. Warren; Ranking Member: Edmund W. Pettus)
 * Mines and Mining (Chairman: Charles Dick; Ranking Member: Benjamin R. Tillman)
 * Mississippi River and its Tributaries (Select) (Chairman: Knute Nelson)
 * National Banks (Select) (Chairman: George S. Nixon; Ranking Member: Samuel D. McEnery)
 * Naval Affairs (Chairman: Eugene Hale; Ranking Member: Benjamin R. Tillman)
 * Organization, Conduct and Expenditures of the Executive Departments (Chairman: Thomas H. Carter; Ranking Member: Anselm J. McLaurin)
 * Pacific Islands and Puerto Rico (Chairman: Joseph B. Foraker; Ranking Member: Stephen R. Mallory)
 * Pacific Railroads (Chairman: Russell A. Alger; Ranking Member: John T. Morgan)
 * Patents (Chairman: Alfred B. Kittredge; Ranking Member: Stephen R. Mallory)
 * Pensions (Chairman: Porter J. McCumber; Ranking Member: James P. Taliaferro)
 * Philippines (Chairman: Henry Cabot Lodge; Ranking Member: Charles A. Culberson)
 * Post Office and Post Roads (Chairman: Boies Penrose; Ranking Member: Arthur P. Gorman)
 * Potomac River Front (Select)
 * Printing (Chairman: Thomas C. Platt; Ranking Member: Arthur P. Gorman)
 * Private Land Claims (Chairman: Henry M. Teller; Ranking Member: Eugene Hale)
 * Privileges and Elections (Chairman: Julius C. Burrows; Ranking Member: Edmund W. Pettus)
 * Public Buildings and Grounds (Chairman: Nathan B. Scott; Ranking Member: Charles A. Culberson)
 * Public Health and National Quarantine (Chairman: John Tyler Morgan; Ranking Member: John Coit Spooner)
 * Public Lands (Chairman: Henry C. Hansbrough; Ranking Member: James H. Berry)
 * Railroads (Chairman: J. Frank Allee; Ranking Member: Augustus O. Bacon)
 * Revision of the Laws (Chairman: Chauncey M. Depew; Ranking Member: John W. Daniel)
 * Revolutionary Claims (Chairman: Alexander S. Clay; Ranking Member: Russell A. Alger)
 * Rules (Chairman: John C. Spooner; Ranking Member: Henry M. Teller)
 * Standards, Weights and Measures (Select) (Chairman: Reed Smoot; Ranking Member: William A. Clark)
 * Tariff Regulation (Select)
 * Territories (Chairman: Albert J. Beveridge; Ranking Member: Thomas M. Patterson)
 * Transportation and Sale of Meat Products (Select) (Chairman: John W. Daniel; Ranking Member: Clarence D. Clark)
 * Transportation Routes to the Seaboard (Chairman: Robert J. Gamble; Ranking Member: Edmund W. Pettus)
 * Trespassers upon Indian Lands (Select) (Chairman: George Sutherland)
 * Ventilation and Acoustics (Select) (Chairman: Roswell P. Bishop; Ranking Member: David H. Smith)
 * Whole
 * Woman Suffrage (Select) (Chairman: Augustus O. Bacon; Ranking Member: George P. Wetmore)

House of Representatives

 * Accounts (Chairman: H. Burd Cassel; Ranking Member: Charles Lafayette Bartlett)
 * Agriculture (Chairman: James W. Wadsworth; Ranking Member: John Lamb)
 * Alcoholic Liquor Traffic (Chairman: Nehemiah D. Sperry; Ranking Member: John L. Burnett)
 * Appropriations (Chairman: James A. Tawney; Ranking Member: Leonidas F. Livingston)
 * Banking and Currency (Chairman: Charles N. Fowler; Ranking Member: Elijah B. Lewis)
 * Census (Chairman: Edgar D. Crumpacker; Ranking Member: James Hay)
 * Claims (Chairman: James M. Miller; Ranking Member: Henry M. Goldfogle)
 * Coinage, Weights and Measures (Chairman: James H. Southard; Ranking Member: John W. Gaines)
 * Disposition of Executive Papers
 * District of Columbia (Chairman: Joseph W. Babcock; Ranking Member: Thetus W. Sims)
 * Education (Chairman: George N. Southwick; Ranking Member: Edwin Y. Webb)
 * Election of the President, Vice President and Representatives in Congress (Chairman: Joseph H. Gaines; Ranking Member: William W. Rucker)
 * Elections No.#1 (Chairman: James Robert Mann; Ranking Member: Ollie M. James)
 * Elections No.#2 (Chairman: Marlin E. Olmsted; Ranking Member: Joshua Frederick Cockey Talbott)
 * Elections No.#3 (Chairman: Michael E. Driscoll; Ranking Member: Choice B. Randell)
 * Enrolled Bills (Chairman: Frank C. Wachter; Ranking Member: James T. Lloyd)
 * Expenditures in the Agriculture Department (Chairman: Charles E. Littlefield; Ranking Member: Henry D. Flood)
 * Expenditures in the Commerce and Labor Departments (Chairman: David J. Foster; Ranking Member: Arsene P. Pujo)
 * Expenditures in the Interior Department (Chairman: Edward S. Minor; Ranking Member: Robert N. Page)
 * Expenditures in the Justice Department (Chairman: William A. Calderhead; Ranking Member: Robert N. Page)
 * Expenditures in the Navy Department (Chairman: Joseph W. Fordney; Ranking Member: Choice B. Randell)
 * Expenditures in the Post Office Department (Chairman: Irving P. Wanger; Ranking Member: Carter Glass)
 * Expenditures in the State Department (Chairman: John H. Ketcham; Ranking Member: Rufus E. Lester)
 * Expenditures in the Treasury Department (Chairman: Robert G. Cousins; Ranking Member: John Lamb)
 * Expenditures in the War Department (Chairman: George P. Lawrence; Ranking Member: George F. Burgess)
 * Expenditures on Public Buildings (Chairman: James A. Hughes; Ranking Member: John H. Small)
 * Foreign Affairs (Chairman: Robert R. Hitt; Ranking Member: William M. Howard)
 * Immigration and Naturalization (Chairman: Benjamin F. Howell; Ranking Member: Jacob Ruppert Jr.)
 * Indian Affairs (Chairman: James S. Sherman; Ranking Member: John H. Stephens)
 * Industrial Arts and Expositions (Chairman: Augustus P. Gardner; Ranking Member: Charles L. Bartlett)
 * Insular Affairs (Chairman: Henry Allen Cooper; Ranking Member: William A. Jones)
 * Interstate and Foreign Commerce (Chairman: William P. Hepburn; Ranking Member: Robert C. Davey)
 * Invalid Pensions (Chairman: Cyrus A. Sulloway; Ranking Member: George H. Lindsay)
 * Irrigation of Arid Lands (Chairman: Frank W. Mondell; Ranking Member: Clarence D. Van Duzer)
 * Judiciary (Chairman: John J. Jenkins; Ranking Member: David A. De Armond)
 * Labor (Chairman: John J. Gardner; Ranking Member: William Randolph Hearst)
 * Levees and Improvements of the Mississippi River (Chairman: George W. Prince; Ranking Member: Robert F. Broussard)
 * Library (Chairman: James T. McCleary; Ranking Member: William M. Howard)
 * Manufactures (Chairman: Joseph C. Sibley; Ranking Member: Charles H. Weisse)
 * Merchant Marine and Fisheries (Chairman: Charles H. Grosvenor; Ranking Member: Thomas Spight)
 * Mileage (Chairman: William A. Reeder; Ranking Member: Elijah B. Lewis)
 * Military Affairs (Chairman: John A.T. Hull; Ranking Member: William Sulzer)
 * Militia (Chairman: Edward De V. Morrell; Ranking Member: Augustus O. Stanley)
 * Mines and Mining (Chairman: Webster E. Brown; Ranking Member: Adolph Meyer)
 * Naval Affairs (Chairman: George E. Foss; Ranking Member: Adolph Meyer)
 * Pacific Railroads (Chairman: Thomas S. Butler; Ranking Member: James L. Slayden)
 * Patents (Chairman: Frank D. Currier; Ranking Member: William Sulzer)
 * Pensions (Chairman: Henry C. Loudenslager; Ranking Member: William Richardson)
 * Post Office and Post Roads (Chairman: Jesse Overstreet; Ranking Member: John A. Moon)
 * Printing (Chairman: Charles B. Landis; Ranking Member: James M. Griggs)
 * Private Land Claims (Chairman: George W. Smith; Ranking Member: William A. Jones)
 * Public Buildings and Grounds (Chairman: Richard Bartholdt; Ranking Member: John H. Bankhead)
 * Public Lands (Chairman: John F. Lacey; Ranking Member: John L. Burnett)
 * Railways and Canals (Chairman: James H. Davidson; Ranking Member: John L. Burnett)
 * Reform in the Civil Service (Chairman: Frederick H. Gillett; Ranking Member: Edward W. Pou)
 * Revision of Laws (Chairman: Reuben O. Moon; Ranking Member: Robert B. Macon)
 * Rivers and Harbors (Chairman: Theodore E. Burton; Ranking Member: Rufus E. Lester)
 * Rules (Chairman: John Dalzell; Ranking Member: John S. Williams)
 * Standards of Official Conduct
 * Territories (Chairman: Edward L. Hamilton; Ranking Member: John A. Moon)
 * Ventilation and Acoustics (Chairman: Roswell P. Bishop; Ranking Member: David H. Smith)
 * War Claims (Chairman: Thaddeus M. Mahon; Ranking Member: Thetus W. Sims)
 * Ways and Means (Chairman: Sereno E. Payne; Ranking Member: John S. Williams)
 * Whole

Joint committees

 * Conditions of Indian Tribes (Special)
 * Disposition of (Useless) Executive Papers (Chairman: Rep. Arthur L. Bates; Vice Chairman: Sen. )
 * Revision of the Laws
 * The Library
 * Printing
 * Second Class Mail Matter

Caucuses

 * Democratic (House)
 * Democratic (Senate)

Legislative branch agency directors

 * Architect of the Capitol: Elliott Woods
 * Librarian of Congress: Herbert Putnam
 * Public Printer of the United States: Francis W. Palmer, until 1905
 * Charles A. Stillings, from 1905

Senate

 * Secretary: Charles G. Bennett
 * Librarian: Edward C. Goodwin
 * Sergeant at Arms: Daniel M. Ransdell
 * Chaplain: The Rev. Edward E. Hale, Unitarian

House of Representatives

 * Clerk: Alexander McDowell
 * Sergeant at Arms: Henry Casson
 * Doorkeeper: Frank B. Lyon
 * Postmaster: Joseph C. McElroy
 * Clerk at the Speaker's Table: Asher C. Hinds
 * Reading Clerks: E.L. Sampson (D) and Dennis E. Alward (R)
 * Chaplain: The Rev. Henry N. Couden, Universalist