Rank | Representative | Party | District | Seniority date | No.# of term(s) | Notes |
1 | Elihu B. Washburne | R | IL-03 | March 4, 1853 | 06th term | Dean of the House |
2 | Schuyler Colfax | R | IN-09 | March 4, 1855 | 05th term | Speaker of the House |
3 | Justin S. Morrill | R | VT-02 | March 4, 1855 | 05th term |
4 | Samuel S. Cox | D | OH-07 | March 4, 1857 | 04th term |
5 | Henry L. Dawes | R | MA-10 | March 4, 1857 | 04th term |
6 | Reuben Fenton | R | NY-31 | March 4, 1857 Previous service, 1853–1855. | 05th term* | Resigned on December 20, 1864 while still serving in the House as a U.S. Congress member. |
7 | Owen Lovejoy | R | IL-05 | March 4, 1857 | 04th term | Died on March 25, 1864 while still serving in the House as a U.S. Congress member. |
8 | George H. Pendleton | D | OH-01 | March 4, 1857 | 04th term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
9 | Daniel W. Gooch | R | MA-06 | January 31, 1858 | 04th term |
10 | John B. Alley | R | MA-05 | March 4, 1859 | 03rd term |
11 | James M. Ashley | R | OH-10 | March 4, 1859 | 03rd term |
12 | Thomas D. Eliot | R | MA-01 | March 4, 1859 Previous service, 1854–1855. | 03rd term* |
13 | Augustus Frank | R | NY-29 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
14 | James T. Hale | R | PA-18 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
15 | William S. Holman | D | IN-04 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
16 | Francis William Kellogg | R | MI-04 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
17 | Robert Mallory | D | KY-05 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
18 | James K. Moorhead | R | PA-22 | March 4, 1859 | 03rd term |
19 | John W. Noell | D | MO-03 | March 4, 1859 | 03rd term | Died on March 14, 1863 while still serving in the House as a U.S. Congress member. |
20 | Alexander H. Rice | R | MA-03 | March 4, 1859 | 03rd term |
21 | James C. Robinson | D | IL-11 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
22 | Thaddeus Stevens | R | PA-09 | March 4, 1859 Previous service, 1849–1853. | 05th term* |
23 | Edwin H. Webster | D | MD-02 | March 4, 1859 | 03rd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
24 | William Windom | R | MN-01 | March 4, 1859 | 03rd term |
25 | Sydenham E. Ancona | D | PA-08 | March 4, 1861 | 02nd term |
26 | Isaac N. Arnold | R | IL-01 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
27 | Joseph Bailey | D | PA-15 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
28 | Portus Baxter | R | VT-03 | March 4, 1861 | 02nd term |
29 | Fernando C. Beaman | R | MI-01 | March 4, 1861 | 02nd term |
30 | Francis Preston Blair, Jr. | R | MO-01 | March 4, 1861 Previous service, 1857–1859 and 1860. | 04th term** | Resigned on June 10, 1864 while still serving in the House as a U.S. Congress member. |
31 | William G. Brown, Sr. | D | WV-02 | March 4, 1861 Previous service, 1845–1849. | 04th term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
32 | Ambrose W. Clark | R | NY-20 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
33 | Erastus Corning | D | NY-14 | March 4, 1861 Previous service, 1857–1859. | 03rd term* | Resigned on October 5, 1863 while still serving in the House as a U.S. Congress member. |
34 | James A. Cravens | D | IN-02 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
35 | James E. English | D | CT-02 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
36 | Henry Grider | D | KY-03 | March 4, 1861 Previous service, 1843–1847. | 04th term* |
37 | Aaron Harding | R | KY-04 | March 4, 1861 | 02nd term |
38 | Philip Johnson | D | PA-11 | March 4, 1861 | 02nd term |
39 | George W. Julian | D | IN-05 | March 4, 1861 Previous service, 1849–1851. | 03rd term* |
40 | William D. Kelley | R | PA-04 | March 4, 1861 | 02nd term |
41 | John Law | D | IN-01 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
42 | Jesse Lazear | D | PA-24 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
43 | James R. Morris | D | OH-15 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
44 | Warren P. Noble | D | OH-09 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
45 | John B. Steele | D | NY-13 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
46 | Moses F. Odell | D | NY-03 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
47 | Nehemiah Perry | D | NJ-05 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
48 | Frederick A. Pike | R | ME-05 | March 4, 1861 | 02nd term |
49 | Theodore M. Pomeroy | R | NY-24 | March 4, 1861 | 02nd term |
50 | John H. Rice | R | ME-04 | March 4, 1861 | 02nd term |
51 | Edward H. Rollins | R | NH-02 | March 4, 1861 | 02nd term |
52 | James S. Rollins | R | MO-09 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
53 | William G. Steele | D | NJ-03 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
54 | Francis Thomas | D | MD-04 | March 4, 1861 Previous service, 1831–1841. | 07th term* |
55 | Robert B. Van Valkenburgh | R | NY-27 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
56 | Daniel W. Voorhees | D | IN-07 | March 4, 1861 | 02nd term |
57 | William H. Wadsworth | D | KY-09 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
58 | Elijah Ward | D | NY-06 | March 4, 1861 Previous service, 1857–1859. | 03rd term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
59 | Chilton A. White | D | OH-06 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
60 | Benjamin Wood | D | NY-04 | March 4, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
61 | John J. Crittenden | R | KY-08 | July 4, 1861 | 02nd term |
62 | James F. Wilson | R | IA-01 | October 8, 1861 | 02nd term |
63 | Samuel Hooper | R | MA-04 | December 2, 1861 | 02nd term |
64 | Anthony L. Knapp | D | IL-10 | December 12, 1861 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
65 | William A. Hall | R | MO-08 | January 20, 1862 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
66 | William J. Allen | D | IL-13 | June 2, 1862 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
67 | John D. Stiles | D | PA-06 | June 3, 1862 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
68 | George H. Yeaman | D | KY-02 | December 1, 1862 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
69 | Walter D. McIndoe | R | WI-06 | January 26, 1863 | 02nd term |
70 | James C. Allen | D | IL | March 4, 1863 Previous service, 1853–1856 and 1856-1857. | 04th term** | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
71 | William B. Allison | R | IA-03 | March 4, 1863 | 01st term |
72 | Oakes Ames | R | MA-02 | March 4, 1863 | 01st term |
73 | Lucien Anderson | D | KY-01 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
74 | Augustus C. Baldwin | D | MI-05 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
75 | John D. Baldwin | R | MA-08 | March 4, 1863 | 01st term |
76 | James G. Blaine | R | ME-03 | March 4, 1863 | 01st term |
77 | George Bliss | D | OH-14 | March 4, 1863 Previous service, 1853–1855. | 02nd term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
78 | Henry T. Blow | R | MO-02 | March 4, 1863 | 01st term |
79 | George S. Boutwell | D | MA-07 | March 4, 1863 | 01st term |
80 | Sempronius H. Boyd | D | MO-04 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
81 | Augustus Brandegee | R | CT-03 | March 4, 1863 | 01st term |
82 | James Brooks | D | NY-08 | March 4, 1863 Previous service, 1849–1853. | 03rd term* |
83 | John Martin Broomall | R | PA-07 | March 4, 1863 | 01st term |
84 | James S. Brown | D | WI-01 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
85 | John W. Chanler | D | NY-07 | March 4, 1863 | 01st term |
86 | Freeman Clarke | R | NY-28 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
87 | Brutus J. Clay | D | KY-07 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
88 | John Creswell | R | MD-01 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
89 | Amasa Cobb | R | WI-03 | March 4, 1863 | 01st term |
90 | Alexander Hamilton Coffroth | R | PA-16 | March 4, 1863 | 01st term |
91 | Cornelius Cole | R | CA | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
92 | John L. Dawson | D | PA-21 | March 4, 1863 Previous service, 1851–1855. | 03rd term* |
93 | Henry W. Davis | D | MD-03 | March 4, 1863 Previous service, 1855–1861. | 04th term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
94 | Thomas T. Davis | R | NY-23 | March 4, 1863 | 01st term |
95 | Henry C. Deming | R | CT-01 | March 4, 1863 | 01st term |
96 | Charles Denison | D | PA-12 | March 4, 1863 | 01st term |
97 | Nathan F. Dixon II | R | RI-02 | March 4, 1863 Previous service, 1849–1851. | 02nd term* |
98 | Ignatius L. Donnelly | R | MN-02 | March 4, 1863 | 01st term |
99 | John F. Driggs | R | MI-06 | March 4, 1863 | 01st term |
100 | Ebenezer Dumont | R | IN-06 | March 4, 1863 | 01st term |
101 | Ephraim R. Eckley | R | OH-17 | March 4, 1863 | 01st term |
102 | John R. Eden | D | IL-07 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
103 | Joseph K. Edgerton | D | IN-10 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
104 | Charles A. Eldredge | D | WI-04 | March 4, 1863 | 01st term |
105 | John F. Farnsworth | R | IL-02 | March 4, 1863 Previous service, 1857–1861. | 03rd term* |
106 | William E. Finck | D | OH-12 | March 4, 1863 | 01st term |
105 | John Ganson | R | NY-30 | March 4, 1863 | 02nd term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
106 | James A. Garfield | R | OH-19 | March 4, 1863 | 01st term |
107 | Josiah B. Grinnell | R | IA-04 | March 4, 1863 | 01st term |
108 | John A. Griswold | D | NY-15 | March 4, 1863 | 01st term |
109 | Benjamin Gwinn Harris | D | MD-05 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
110 | Charles M. Harris | D | IL-04 | March 4, 1863 | 01st term |
111 | Henry W. Harrington | D | IN-03 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
112 | Anson Herrick | D | NY-09 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
113 | William Higby | R | CA | March 4, 1863 | 01st term |
114 | Giles W. Hotchkiss | R | NY-26 | March 4, 1863 | 01st term |
115 | Asahel W. Hubbard | R | IA-06 | March 4, 1863 | 01st term |
116 | John H. Hubbard | R | CT-04 | March 4, 1863 | 01st term |
117 | Calvin T. Hulburd | R | NY-17 | March 4, 1863 | 01st term |
118 | Wells A. Hutchins | R | OH-11 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
119 | Thomas Jenckes | R | RI-01 | March 4, 1863 | 01st term |
120 | William Johnston | D | OH-08 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
121 | John A. Kasson | R | IA-05 | March 4, 1863 | 01st term |
122 | Martin Kalbfleisch | D | NY-02 | March 4, 1863 | 01st term |
123 | Orlando Kellogg | D | NY-16 | March 4, 1863 Previous service, 1847–1849. | 02nd term* |
124 | Francis Kernan | D | NY-21 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
125 | Austin A. King | D | MO-06 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
126 | Francis Celeste Le Blond | D | OH-05 | March 4, 1863 | 01st term |
127 | DeWitt Clinton Littlejohn | R | NY-22 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
128 | Benjamin F. Loan | R | MO-07 | March 4, 1863 | 01st term |
129 | Alexander Long | D | OH-02 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
130 | John W. Longyear | R | MI-03 | March 4, 1863 | 01st term |
131 | Daniel Marcy | D | NH-01 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
132 | James M. Marvin | R | NY-18 | March 4, 1863 | 01st term |
133 | Archibald McAllister | D | PA-17 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
134 | John R. McBride | R | OR | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
135 | Joseph W. McClurg | R | MO-05 | March 4, 1863 | 01st term |
136 | James F. McDowell | D | IN-11 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
137 | John F. McKinney | D | OH-04 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
138 | George Middleton | D | NJ-02 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
139 | William H. Miller | D | PA-14 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
140 | Samuel F. Miller | R | NY-19 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
141 | Daniel Morris | R | NY-25 | March 4, 1863 | 01st term |
142 | William R. Morrison | D | IL-12 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
143 | Amos Myers | R | PA-20 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
144 | Leonard Myers | R | PA-03 | March 4, 1863 | 01st term |
145 | Homer A. Nelson | D | NY-12 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
146 | Jesse O. Norton | R | IL-06 | March 4, 1863 Previous service, 1853–1857. | 03rd term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
147 | Charles O'Neill | R | PA-02 | March 4, 1863 | 01st term |
148 | John O'Neill | D | OH-13 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
149 | Godlove Stein Orth | D | IN-08 | March 4, 1863 | 01st term |
150 | James W. Patterson | R | NH-03 | March 4, 1863 | 01st term |
151 | Sidney Perham | R | ME-02 | March 4, 1863 | 01st term |
152 | Hiram Price | R | IA-02 | March 4, 1863 | 01st term |
153 | William Radford | D | NY-10 | March 4, 1863 | 01st term |
154 | Samuel J. Randall | D | PA-01 | March 4, 1863 | 01st term |
155 | William H. Randall | D | KY-08 | March 4, 1863 | 01st term |
156 | Andrew J. Rogers | D | NJ-04 | March 4, 1863 | 01st term |
157 | Lewis W. Ross | D | IL-09 | March 4, 1863 | 01st term |
158 | Robert C. Schenck | D | OH-03 | March 4, 1863 Previous service, 1843–1851. | 05th term* |
159 | Glenni W. Scofield | R | PA-19 | March 4, 1863 | 01st term |
160 | Thomas B. Shannon | R | CA | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
161 | Ithamar Sloan | R | WI-02 | March 4, 1863 | 01st term |
162 | Green C. Smith | D | KY-06 | March 4, 1863 | 01st term |
163 | Rufus P. Spalding | R | OH-18 | March 4, 1863 | 01st term |
164 | John F. Starr | R | NJ-01 | March 4, 1863 | 01st term |
165 | Henry G. Stebbins | D | NY-01 | March 4, 1863 | 01st term | Resigned on October 24, 1864 while still serving in the House as a U.S. Congress member. |
166 | Myer Strouse | D | PA-10 | March 4, 1863 | 01st term |
167 | John T. Stuart | D | IL-08 | March 4, 1863 Previous service, 1839–1843. | 03rd term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
168 | Lorenzo De Medici Sweat | D | ME-01 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
169 | William Temple | D | DE | March 4, 1863 | 01st term | Died on May 28, 1863 while still serving in the House as a U.S. Congress member. |
170 | Martin R. Thayer | R | PA-05 | March 4, 1863 | 01st term |
171 | Henry W. Tracy | R | PA-13 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
172 | William Upson | R | MI-02 | March 4, 1863 | 01st term |
173 | William B. Washburn | R | MA-09 | March 4, 1863 | 01st term |
174 | Ezra Wheeler | D | WI-05 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
175 | Joseph W. White | D | OH-16 | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
176 | Abel C. Wilder | R | KS | March 4, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
177 | Thomas Williams | R | PA-23 | March 4, 1863 | 01st term |
178 | Charles H. Winfield | D | NY-11 | March 4, 1863 | 01st term |
179 | Fernando Wood | D | NY-05 | March 4, 1863 Previous service, 1841–1843. | 02nd term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
180 | Frederick E. Woodbridge | R | VT-01 | March 4, 1863 | 01st term |
| John V. L. Pruyn | R | NY-14 | December 7, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
| John G. Scott | D | MO-03 | December 7, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
| Nathaniel B. Smithers | R | DE | December 7, 1863 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
| Kellian Whaley | D | WV-03 | December 7, 1863 | 01st term |
| Jacob B. Blair | R | WV-01 | December 17, 1863 Previous service, 1861–1863. | 02nd term* | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
| Ebon C. Ingersoll | R | IL-05 | May 20, 1864 | 01st term |
| Samuel Knox | D | MO-01 | June 10, 1864 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
| Henry G. Worthington | R | NV | October 31, 1864 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |
| Dwight Townsend | D | NY-01 | December 5, 1864 | 01st term | Left the House in 1865 while still serving in the House as a U.S. Congress member. |