Rank
|
Senator (party-state)
|
Seniority date
|
Other factors
|
1
|
Henry Cabot Lodge (R-MA)[8] |
March 4, 1893
|
|
2
|
Francis E. Warren (R-WY)
|
March 4, 1895
|
Previously a senator
|
3
|
Knute Nelson (R-MN)[9] |
Former governor
|
4
|
William P. Dillingham (R-VT)[10] |
October 18, 1900
|
|
5
|
Furnifold M. Simmons (D-NC)
|
March 4, 1901
|
6
|
Lee S. Overman (D-NC)
|
March 4, 1903
|
North Carolina 15th in population (1900)
|
7
|
Reed Smoot (R-UT)
|
Utah 41st in population (1900)
|
8
|
Frank B. Brandegee (R-CT)[11] |
May 10, 1905
|
|
9
|
Robert M. La Follette, Sr. (R-WI)
|
January 4, 1906
|
10
|
William Borah (R-ID)
|
March 4, 1907
|
11
|
Robert Owen (D-OK)
|
December 11, 1907
|
12
|
Albert B. Cummins (R-IA)
|
November 24, 1908
|
13
|
Wesley Jones (R-WA)
|
March 4, 1909
|
Former representative
|
14
|
Ellison D. Smith (D-SC)
|
South Carolina 24th in population (1900)
|
15
|
Duncan U. Fletcher (D-FL)
|
Florida 33rd in population (1900)
|
16
|
Claude A. Swanson (D-VA)
|
August 1, 1910
|
|
17
|
George P. McLean (R-CT)
|
March 4, 1911
|
Former governor
|
18
|
James A. Reed (D-MO)
|
|
19
|
Henry F. Ashurst (D-AZ)
|
March 27, 1912[12] |
20
|
Key Pittman (D-NV)
|
January 29, 1913
|
21
|
Morris Sheppard (D-TX)
|
February 3, 1913
|
22
|
Joseph E. Ransdell (D-LA)
|
March 4, 1913
|
Former representative (14 years)
|
23
|
Joseph Robinson (R-AR)
|
Former representative (10 years), former governor
|
24
|
George W. Norris (R-NE)
|
Former representative (10 years)
|
25
|
John Shields (D-TN)
|
Tennessee 17th in population (1910)
|
26
|
Thomas Sterling (R-SD)
|
South Dakota 36th in population (1910)
|
27
|
LeBaron Colt (R-RI)[13] |
Rhode Island 38th in population (1910)
|
28
|
Thomas J. Walsh (D-MT)
|
Montana 40th in population (1910)
|
29
|
Charles Curtis (R-KS)
|
March 4, 1915
|
Previously a senator
|
30
|
Oscar Underwood (D-AL)
|
Former representative
|
31
|
James Wadsworth, Jr. (R-NY)
|
|
32
|
Bert Fernald (R-ME)
|
September 12, 1916
|
33
|
James Watson (R-IN)
|
November 8, 1916
|
34
|
Kenneth McKellar (D-TN)
|
March 4, 1917
|
Former representative (6 years)
|
35
|
William H. King (D-UT)
|
Former representative (3 years)
|
36
|
Peter G. Gerry (D-RI)
|
Former representative (2 years)
|
37
|
Park Trammell (D-FL)
|
Former governor, Florida 33rd in population (1910)
|
38
|
John B. Kendrick (D-WY)
|
Former governor, Wyoming 47th in population (1910)
|
39
|
Frederick Hale (R-ME)
|
Maine 34th in population (1910)
|
40
|
Andrieus Jones (D-NM)
|
New Mexico 43rd in population (1910)
|
41
|
Hiram Johnson (R-CA)
|
March 16, 1917
|
|
42
|
Irvine Lenroot (R-WI)
|
April 18, 1918
|
43
|
Selden P. Spencer (R-MO)
|
November 6, 1918
|
Missouri 7th in population (1910)
|
44
|
George H. Moses (R-NH)
|
New Hampshire 39th in population (1910)
|
45
|
Charles L. McNary (R-OR)
|
December 18, 1918
|
|
46
|
Heisler Ball (R-DE)
|
March 4, 1919
|
Previously a senator (2 years)
|
47
|
Davis Elkins (R-WV)
|
Previously a senator (1 year)
|
48
|
Medill McCormick (R-IL)[14] |
Former representative (2 years)
|
49
|
David I. Walsh (D-MA)
|
Former governor, Massachusetts 6th in population (1910)
|
50
|
Arthur Capper (R-KS)
|
Former governor, Kansas 22nd in population (1910)
|
51
|
Henry W. Keyes (R-NH)
|
Former governor, New Hampshire 39th in population (1910)
|
52
|
William J. Harris (D-GA)
|
Georgia 10th in population (1910)
|
53
|
Nathaniel Dial (D-SC)
|
South Carolina 26th in population (1910)
|
54
|
Lawrence C. Phipps (R-CO)
|
Colorado 32nd in population (1910)
|
55
|
Pat Harrison (D-MS)
|
March 5, 1919
|
Former representative (8 years)
|
56
|
Augustus O. Stanley (D-KY)
|
May 19, 1919
|
Former representative (12 years)
|
57
|
Walter E. Edge (R-NJ)
|
Former governor, New Jersey 11th in population (1910)
|
58
|
Carter Glass (D-VA)
|
February 2, 1920
|
|
59
|
James Thomas Heflin (D-AL)
|
November 2, 1920
|
60
|
Frank B. Willis (R-OH)
|
January 14, 1921
|
61
|
Frank R. Gooding (R-ID)
|
January 15, 1921
|
62
|
William B. McKinley (R-IL)
|
March 4, 1921
|
Former representative (14 years)
|
63
|
Thaddeus H. Caraway (D-AR)
|
Former representative (8 years)
|
64
|
John Harreld (R-OK)
|
Former representative (2 years)
|
65
|
Ralph H. Cameron (R-AZ)
|
Former delegate
|
66
|
Peter Norbeck (R-SD)
|
Former governor, South Dakota 37th in population (1920)
|
67
|
Samuel M. Shortridge (R-CA)
|
California 8th in population (1920)
|
68
|
Richard P. Ernst (R-KY)
|
Kentucky 15th in population (1920)
|
69
|
Edwin S. Broussard (D-LA)
|
Louisiana 22nd in population (1920)
|
70
|
Ovington Weller (R-MD)
|
Maryland 28th in population (1920)
|
71
|
Samuel Nicholson (D-CO)
|
Colorado 33rd in population (1920)
|
72
|
Robert Stanfield (R-OR)
|
Oregon 34th in population (1920)
|
73
|
Edwin Ladd (R-ND)
|
North Dakota 36th in population (1920)
|
74
|
Tasker Oddie (R-NV)
|
Nevada 48th in population (1920)
|
75
|
Holm O. Bursum (R-NM)
|
March 11, 1921
|
|
76
|
George W. Pepper (R-PA)
|
January 10, 1922
|
77
|
David A. Reed (R-PA)
|
August 8, 1922
|
78
|
Thomas F. Bayard, Jr. (D-DE)
|
November 7, 1922
|
Delaware 46th in population (1920)
|
79
|
Walter F. George (D-GA)
|
November 22, 1922
|
|
80
|
James Couzens (R-MI)
|
November 29, 1922
|
81
|
Smith W. Brookhart (R-IA)
|
December 1, 1922
|
Iowa 16th in population (1920)
|
82
|
Frank L. Greene (R-VT)
|
March 4, 1923
|
Former representative (11 years)
|
83
|
Simeon Fess (R-OH)
|
Former representative (10 years), Ohio 4th in population (1920)
|
84
|
Hubert D. Stephens (D-MS)
|
Former representative (10 years), Mississippi 23rd in population (1920)
|
85
|
Matthew M. Neely (D-WV)
|
Former representative (8 years)
|
86
|
Clarence Dill (D-WA)
|
Former representative (4 years)
|
87
|
Woodbridge N. Ferris (D-MI)
|
Former governor, Michigan 7th in population (1920)
|
88
|
Edward I. Edwards (D-NJ)
|
Former governor, New Jersey 10th in population (1920)
|
89
|
Samuel M. Ralston (D-IN)
|
Former governor, Indiana 11th in population (1920)
|
90
|
Lynn Frazier (R-ND)
|
Former governor, North Dakota 36th in population (1920)
|
91
|
Royal S. Copeland (D-NY)
|
New York 1st in population (1920)
|
92
|
Earle B. Mayfield (D-TX)
|
Texas 5th in population (1920)
|
93
|
Henrik Shipstead (FL-MN)
|
Minnesota 17th in population (1920)
|
94
|
William C. Bruce (D-MD)
|
Maryland 28th in population (1920)
|
95
|
Robert B. Howell (R-NE)
|
Nebraska 31st in population (1920)
|
96
|
Burton K. Wheeler (D-MT)
|
Montana 39th in population (1920)
|
—
|
Alva B. Adams (D-CO)
|
May 17, 1923
|
|
—
|
Magnus Johnson (FL-MN)
|
July 17, 1923
|
—
|
Porter H. Dale (R-VT)
|
November 7, 1923
|
—
|
Jesse H. Metcalf (R-RI)
|
November 4, 1924
|
—
|
William M. Butler (R-MA)
|
November 13, 1924
|
—
|
Rice W. Means (R-CO)
|
December 1, 1924
|
—
|
Hiram Bingham (R-CT)
|
December 17, 1924
|
—
|
Charles S. Deneen (R-IL)
|
February 26, 1925
|
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