# List of new members of the 91st United States Congress

The 91st United States Congress began on January 3, 1969. There were 12 new senators (four Democrats, eight Republicans) and 38 new representatives (19 Democrats, 19 Republicans), as well as one new delegate (a Democrat), at the start of the first session. Additionally, four senators (two Democrats, two Republicans) and 14 representatives (seven Democrats, seven Republicans) took office on various dates in order to fill vacancies during the 91st Congress before it ended on January 3, 1971.
Due to redistricting in multiple states, eight representatives were elected from newly created seats.

## Senate
### Took office January 3, 1969

| State | Senator | Seniority | Switched party | Prior background | Birth year |
| Alabama | James Allen (D) | 10th (98th overall) | No Open seat; replaced J. Lister Hill (D) | Lieutenant Governor of Alabama Alabama Senate Alabama House of Representatives U.S. Navy Reserve | 1912 |
| Alaska | Mike Gravel (D) | 12th (100th overall) | No Defeated Ernest Gruening (D) in a primary | Speaker of the Alaska House of Representatives Counterintelligence Corps | 1930 |
| Arizona | Barry Goldwater (R) | 1st (89th overall) | Yes Open seat; replaced Carl Hayden (D) | U.S. Senate Phoenix City Council U.S. Air Force Major General | 1909 |
| California | Alan Cranston (D) | 8th (96th overall) | Yes Replaced Thomas Kuchel (R), who was defeated in a primary | California State Controller President of United World Federalists U.S. Army | 1914 |
| Florida | Edward Gurney (R) | 5th (93rd overall) | Yes Open seat; replaced George Smathers (D) | U.S. House of Representatives Mayor of Winter Park U.S. Army Lieutenant Colonel | 1914 |
| Iowa | Harold Hughes (D) | 6th (94th overall) | Yes Open seat; replaced Bourke B. Hickenlooper (R) | Governor of Iowa U.S. Army Private | 1922 |
| Kansas | Bob Dole (R) | 4th (92nd overall) | No Open seat; replaced Frank Carlson (R) | U.S. House of Representatives Russell County Attorney Kansas House of Representatives U.S. Army Captain | 1923 |
| Maryland | Charles Mathias (R) | 3rd (91st overall) | Yes Defeated Daniel Brewster (D) | U.S. House of Representatives Maryland House of Delegates Frederick City Attorney U.S. Navy Reserve Captain | 1922 |
| Ohio | William B. Saxbe (R) | 9th (97th overall) | Yes Replaced Frank Lausche (D), who was defeated in a primary | Ohio Attorney General Speaker of the Ohio House of Representatives U.S. Army Air Corps | 1916 |
| Oklahoma | Henry Bellmon (R) | 7th (95th overall) | Yes Defeated Mike Monroney (D) | Governor of Oklahoma Oklahoma House of Representatives U.S. Marine Corps | 1921 |
| Oregon | Bob Packwood (R) | 11th (99th overall) | Yes Defeated Wayne Morse (D) | Oregon House of Representatives | 1932 |
| Pennsylvania | Richard Schweiker (R) | 2nd (90th overall) | Yes Defeated Joseph S. Clark Jr. (D) | U.S. House of Representatives U.S. Navy | 1926 |

### Took office during the 91st Congress

| State | Senator | Took office | Switched party | Prior background | Birth year |
| Illinois | Ralph T. Smith (R) | September 17, 1969 | No Appointed; replaced Everett Dirksen (R) | Speaker of the Illinois House of Representatives U.S. Navy Reserve | 1915 |
| Illinois | Adlai Stevenson III (D) | November 17, 1970 | Yes Defeated Ralph T. Smith (R) | Illinois Treasurer Illinois House of Representatives U.S. Marine Corps Captain | 1930 |
| Delaware | William Roth (R) | January 1, 1971 | No Open seat; replaced John J. Williams (R) | U.S. House of Representatives Chair of the Republican State Committee of Delaware U.S. Army | 1921 |
| California | John V. Tunney (D) | January 2, 1971 | Yes Defeated George Murphy (R) | U.S. House of Representatives U.S. Air Force Captain | 1934 |

## House of Representatives
### Took office January 3, 1969

| District | Representative | Switched party | Prior background | Birth year |
| Alabama 5 | Walter Flowers (D) | No | Lawyer | 1933 |
| Arkansas 1 | Bill Alexander (D) | No | Law clerk | 1934 |
| California 17 | Glenn M. Anderson (D) | No | Lieutenant Governor of California | 1913 |
| Connecticut 4 | Lowell Weicker (R) | Yes | State Representative | 1931 |
| Florida 4 | Bill Chappell (D) | No | State House Speaker | 1922 |
| Florida 5 | Louis Frey Jr. (R) | No | Lawyer | 1934 |
| Idaho 2 | Orval H. Hansen (R) | No | State Senator | 1926 |
| Illinois 2 | Abner Mikva (D) | No | State Representative | 1926 |
| Indiana 2 | Earl Landgrebe (R) | No | State Senator | 1916 |
| Indiana 10 | David W. Dennis (R) | New seat | State Representative | 1912 |
| Kansas 1 | Keith Sebelius (R) | No | State Senator | 1916 |
| Louisiana 3 | Patrick T. Caffery (D) | No | State Representative | 1932 |
| Maryland 5 | Lawrence Hogan (R) | Yes | FBI agent | 1928 |
| Maryland 6 | J. Glenn Beall Jr. (R) | No | State Delegate | 1927 |
| Missouri 1 | Bill Clay (D) | No | Alderman | 1931 |
| Missouri 2 | James W. Symington (D) | Yes | U.S. Chief of Protocol | 1927 |
| Missouri 10 | Bill Burlison (D) | No | Lawyer | 1931 |
| New Mexico 1 | Manuel Lujan Jr. (R) | New seat | Insurance businessman | 1928 |
| New Mexico 2 | Ed Foreman (R) | New seat | U.S. Representative | 1933 |
| New York 5 | Allard K. Lowenstein (D) | No | Congressional aide | 1929 |
| New York 12 | Shirley Chisholm (D) | New seat | State Assemblywoman | 1924 |
| New York 17 | Ed Koch (D) | Yes | City Councillor | 1924 |
| New York 24 | Mario Biaggi (D) | Yes | Police lieutenant | 1917 |
| New York 27 | Martin B. McKneally (R) | Yes | Commander of the American Legion | 1914 |
| New York 28 | Hamilton Fish IV (R) | Yes | U.S. Foreign Service officer | 1926 |
| New York 38 | James F. Hastings (R) | No | State Senator | 1926 |
| North Carolina 5 | Wilmer Mizell (R) | New seat | Professional baseball player | 1930 |
| North Carolina 6 | L. Richardson Preyer (D) | No | U.S. District Court Judge | 1919 |
| North Carolina 8 | Earl B. Ruth (R) | New seat | City Councillor | 1916 |
| Ohio 21 | Louis Stokes (D) | New seat | Lecturer | 1925 |
| Oklahoma 6 | John Newbold Camp (R) | New seat | State Representative | 1908 |
| Pennsylvania 6 | Gus Yatron (D) | No | State Senator | 1927 |
| Pennsylvania 13 | Lawrence Coughlin (R) | No | State Senator | 1929 |
| South Carolina 4 | James Mann (D) | No | State Representative | 1920 |
| Virginia 2 | G. William Whitehurst (R) | Yes | Journalist | 1925 |
| Virginia 5 | Dan Daniel (D) | No | State Delegate | 1914 |
| West Virginia 1 | Bob Mollohan (D) | Yes | U.S. Representative | 1909 |
| Wyoming at-large | John S. Wold (R) | No | State Party Chair | 1916 |

#### Non-voting members

| District | Delegate | Switched party | Prior background | Birth year | Ref |
| Puerto Rico at-large | Jorge Luis Córdova (NP/D) | Yes/No | Supreme Court of Puerto Rico | 1907 | |

### Took office during the 91st Congress

| District | Representative | Took office | Switched party | Prior background | Birth year |
| Tennessee 8 | Ed Jones (D) | March 25, 1969 | No | State Agriculture Commissioner | 1912 |
| Wisconsin 7 | Dave Obey (D) | April 1, 1969 | Yes | State Assemblyman | 1938 |
| California 27 | Barry Goldwater Jr. (R) | April 29, 1969 | No | Public relations executive | 1938 |
| Montana 2 | John Melcher (D) | June 24, 1969 | Yes | State Senator | 1924 |
| Massachusetts 6 | Michael J. Harrington (D) | September 30, 1969 | Yes | State Representative | 1936 |
| New Jersey 8 | Robert A. Roe (D) | November 4, 1969 | No | State Conservation Commissioner | 1924 |
| Illinois 13 | Phil Crane (R) | November 25, 1969 | No | Educator | 1930 |
| California 24 | John H. Rousselot (R) | June 30, 1970 | No | U.S. Representative | 1927 |
| California 35 | John G. Schmitz (R) | June 30, 1970 | No | State Senator | 1930 |
| Connecticut 2 | Robert H. Steele (R) | November 3, 1970 | Yes | Securities analyst | 1938 |
| Illinois 6 | George W. Collins (D) | November 3, 1970 | No | Alderman | 1925 |
| New Jersey 6 | Edwin B. Forsythe (R) | November 3, 1970 | No | State Senator | 1916 |
| Ohio 19 | Charles J. Carney (D) | November 3, 1970 | No | State Senator | 1913 |
| Pennsylvania 9 | John H. Ware III (R) | November 3, 1970 | No | State Senator | 1908 |