Rank | Representative | Party | District | Seniority date (Previous service, if any)
| No.# of term(s) | Notes |
1 | Linn Boyd | D | KY-01 | March 4, 1839 Previous service, 1835–1837. | 07th term* | Dean of the House |
2 | Isaac E. Holmes | D | SC-06 | March 4, 1839 | 06th term | Left the House in 1851. |
3 | Jacob Thompson | D | MS-01 | March 4, 1839 | 06th term | Left the House in 1851. |
4 | John Reeves Jones Daniel | D | NC-06 | March 4, 1841 | 05th term |
5 | Robert C. Winthrop | W | MA-01 | November 29, 1842 Previous service, 1840–1842. | 07th term* | Resigned on July 30, 1850. |
6 | Joshua R. Giddings | W | OH-20 | December 5, 1842 Previous service, 1838–1842. | 08th term* |
7 | James B. Bowlin | D | MO-01 | March 4, 1843 | 04th term | Left the House in 1851. |
8 | Armistead Burt | D | SC-05 | March 4, 1843 | 04th term |
9 | Howell Cobb | D | GA-06 | March 4, 1843 | 04th term | Speaker of the House Left the House in 1851. |
10 | Andrew Johnson | D | TN-01 | March 4, 1843 | 04th term |
11 | George W. Jones | D | TN-05 | March 4, 1843 | 04th term |
12 | Hugh A. Haralson | D | GA-04 | March 4, 1843 | 04th term | Left the House in 1851. |
13 | Daniel P. King | W | MA-02 | March 4, 1843 | 04th term | Died on July 25, 1850. |
14 | George P. Marsh | W | VT-03 | March 4, 1843 | 04th term | Resigned sometime in 1849. |
15 | John A. McClernand | D | IL-02 | March 4, 1843 | 04th term | Left the House in 1851. |
16 | Julius Rockwell | W | MA-07 | March 4, 1843 | 04th term | Left the House in 1851. |
17 | Robert C. Schenck | W | OH-03 | March 4, 1843 | 04th term | Left the House in 1851. |
18 | Samuel Finley Vinton | W | OH-12 | March 4, 1843 Previous service, 1823–1837. | 11th term* | Left the House in 1851. |
19 | John Wentworth | D | IL-04 | March 4, 1843 | 04th term | Left the House in 1851. |
20 | Joseph A. Woodward | D | SC-03 | March 4, 1843 | 04th term |
21 | Alexander H. Stephens | W | GA-07 | October 2, 1843 | 04th term |
22 | Joseph Grinnell | W | MA-10 | December 7, 1843 | 04th term | Left the House in 1851. |
23 | Thomas H. Bayly | D | VA-07 | May 6, 1844 | 04th term |
24 | Isaac E. Morse | D | LA-04 | December 2, 1844 | 04th term | Left the House in 1851. |
25 | George Ashmun | W | MA-06 | March 4, 1845 | 03rd term | Left the House in 1851. |
26 | Meredith P. Gentry | W | TN-07 | March 4, 1845 Previous service, 1839–1843. | 05th term* |
27 | John H. Harmanson | D | LA-03 | March 4, 1845 | 03rd term | Died on October 24, 1850. |
28 | Henry W. Hilliard | W | AL-02 | March 4, 1845 | 03rd term | Left the House in 1851. |
29 | John W. Houston | W | DE | March 4, 1845 | 03rd term | Left the House in 1851. |
30 | Thomas B. King | W | GA-01 | March 4, 1845 Previous service, 1839–1843. | 05th term* | Resigned on March 3, 1850. |
31 | Lewis C. Levin | W | PA-01 | March 4, 1845 | 03rd term | Left the House in 1851. |
32 | John S. Phelps | D | MO-05 | March 4, 1845 | 03rd term |
33 | Joseph M. Root | W | OH-21 | March 4, 1845 | 03rd term | Left the House in 1851. |
34 | Frederick P. Stanton | D | TN-10 | March 4, 1845 | 03rd term |
35 | James Thompson | D | PA-23 | March 4, 1845 | 03rd term | Left the House in 1851. |
36 | Robert Toombs | W | GA-08 | March 4, 1845 | 03rd term |
37 | Hugh White | W | NY-16 | March 4, 1845 | 03rd term | Left the House in 1851. |
38 | David Wilmot | D | PA-12 | March 4, 1845 | 03rd term | Left the House in 1851. |
39 | Emile La Sére | D | LA-01 | January 29, 1846 | 03rd term | Left the House in 1851. |
40 | James McDowell | D | VA-11 | March 6, 1846 | 03rd term | Left the House in 1851. |
41 | David S. Kaufman | D | TX-01 | March 30, 1846 | 03rd term | Died on January 31, 1851. |
42 | Franklin Welsh Bowdon | D | AL-07 | December 7, 1846 | 03rd term | Left the House in 1851. |
43 | Shepherd Leffler | D | IA-02 | December 29, 1846 | 03rd term | Left the House in 1851. |
44 | Kinsley S. Bingham | D | MI-03 | March 4, 1847 | 02nd term | Left the House in 1851. |
45 | Albert G. Brown | D | MS-04 | March 4, 1847 Previous service, 1839–1841. | 03rd term* |
46 | Thomas S. Bocock | D | VA-04 | March 4, 1847 | 02nd term |
47 | Chester Pierce Butler | W | PA-11 | March 4, 1847 | 02nd term | Died on October 5, 1850. |
48 | Edward C. Cabell | W | FL | March 4, 1847 Previous service, 1845–1846. | 03rd term* |
49 | Thomas L. Clingman | W | NC-01 | March 4, 1847 Previous service, 1843–1845. | 03rd term* |
50 | Williamson R. W. Cobb | D | AL-06 | March 4, 1847 | 02nd term |
51 | Harmon S. Conger | W | NY-25 | March 4, 1847 | 02nd term | Left the House in 1851. |
52 | John Crowell | W | OH-19 | March 4, 1847 | 02nd term | Left the House in 1851. |
53 | Rodolphus Dickinson | D | OH-06 | March 4, 1847 | 02nd term | Died on March 20, 1849. |
54 | William Duer | W | NY-23 | March 4, 1847 | 02nd term | Left the House in 1851. |
55 | Alexander Evans | W | MD-05 | March 4, 1847 | 02nd term | Left the House in 1851. |
56 | Nathan Evans | W | OH-14 | March 4, 1847 | 02nd term | Left the House in 1851. |
57 | Winfield S. Featherston | D | MS-02 | March 4, 1847 | 02nd term | Left the House in 1851. |
58 | John Freedley | W | PA-05 | March 4, 1847 | 02nd term | Left the House in 1851. |
59 | James S. Green | D | MO-03 | March 4, 1847 | 02nd term | Left the House in 1851. |
60 | Daniel Gott | W | NY-24 | March 4, 1847 | 02nd term | Left the House in 1851. |
61 | Willard Preble Hall | D | MO-04 | March 4, 1847 | 02nd term |
62 | Moses Hampton | W | PA-21 | March 4, 1847 | 02nd term | Left the House in 1851. |
63 | Sampson W. Harris | D | AL-03 | March 4, 1847 | 02nd term |
64 | William Henry | W | VT-01 | March 4, 1847 | 02nd term | Left the House in 1851. |
65 | Samuel W. Inge | D | AL-04 | March 4, 1847 | 02nd term | Left the House in 1851. |
66 | Robert W. Johnson | D | AR | March 4, 1847 | 02nd term |
67 | Job Mann | D | PA-19 | March 4, 1847 Previous service, 1835–1837. | 03rd term* | Left the House in 1851. |
68 | Robert M. McLane | D | MD-04 | March 4, 1847 | 02nd term | Left the House in 1851. |
69 | John K. Miller | D | OH-11 | March 4, 1847 | 02nd term | Left the House in 1851. |
70 | Charles S. Morehead | W | KY-08 | March 4, 1847 | 02nd term | Left the House in 1851. |
71 | Jonathan D. Morris | D | OH-07 | March 4, 1847 | 02nd term | Left the House in 1851. |
72 | William Nelson | W | NY-07 | March 4, 1847 | 02nd term |
73 | Henry Nes | W | PA-15 | March 4, 1847 Previous service, 1843–1845. | 03rd term* | Died on September 10, 1850. |
74 | William A. Newell | W | NJ-02 | March 4, 1847 | 02nd term | Left the House in 1851. |
75 | David Outlaw | W | NC-09 | March 4, 1847 | 02nd term |
76 | Charles H. Peaslee | D | NH-02 | March 4, 1847 | 02nd term |
77 | Lucius B. Peck | D | VT-04 | March 4, 1847 | 02nd term | Left the House in 1851. |
78 | Harvey Putnam | W | NY-33 | March 4, 1847 Previous service, 1838–1839. | 03rd term* | Left the House in 1851. |
79 | Gideon Reynolds | W | NY-12 | March 4, 1847 | 02nd term | Left the House in 1851. |
80 | John L. Robinson | D | IN-03 | March 4, 1847 | 02nd term |
81 | Robert L. Rose | W | NY-29 | March 4, 1847 | 02nd term | Left the House in 1851. |
82 | David Rumsey | W | NY-30 | March 4, 1847 | 02nd term | Left the House in 1851. |
83 | Augustine Henry Shepperd | W | NC-04 | March 4, 1847 Previous service, 1827–1839 and 1841–1843. | 09th term** | Left the House in 1851. |
84 | Peter H. Silvester | W | NY-11 | March 4, 1847 | 02nd term |
85 | William Strong | D | PA-09 | March 4, 1847 | 02nd term | Left the House in 1851. |
86 | John L. Taylor | W | OH-08 | March 4, 1847 | 02nd term |
87 | James Houston Thomas | D | TN-06 | March 4, 1847 | 02nd term | Left the House in 1851. |
88 | John B. Thompson | W | KY-05 | March 4, 1847 Previous service, 1840–1843. | 04th term* | Left the House in 1851. |
89 | William Thompson | D | IA-01 | March 4, 1847 | 02nd term | Resigned on June 29, 1850. |
90 | Amos Tuck | D | NH-01 | March 4, 1847 | 02nd term |
91 | Abraham W. Venable | D | NC-05 | March 4, 1847 | 02nd term |
92 | John Van Dyke | W | NJ-04 | March 4, 1847 | 02nd term | Left the House in 1851. |
93 | James Wilson II | W | NH-03 | March 4, 1847 | 02nd term | Resigned on September 9, 1850. |
94 | Richard K. Meade | D | VA-02 | August 5, 1847 | 02nd term |
95 | William A. Richardson | D | IL-05 | December 6, 1847 | 02nd term |
96 | Horace Mann | W | MA-08 | April 3, 1848 | 02nd term |
97 | Daniel Wallace | D | SC-01 | June 12, 1848 | 02nd term |
98 | John McQueen | D | SC-04 | February 12, 1849 | 02nd term |
99 | Nathaniel Albertson | D | IN-01 | March 4, 1849 | 01st term | Left the House in 1851. |
100 | Henry P. Alexander | W | NY-17 | March 4, 1849 | 01st term | Left the House in 1851. |
101 | Charles Allen | W | MA-05 | March 4, 1849 | 01st term |
102 | William J. Alston | W | AL-01 | March 4, 1849 | 01st term | Left the House in 1851. |
103 | Josiah M. Anderson | W | TN-03 | March 4, 1849 | 01st term | Left the House in 1851. |
104 | George R. Andrews | W | NY-14 | March 4, 1849 | 01st term | Left the House in 1851. |
105 | William S. Ashe | D | NC-07 | March 4, 1849 | 01st term |
106 | Thomas H. Averett | D | VA-03 | March 4, 1849 | 01st term |
107 | Edward D. Baker | W | IL-06 | March 4, 1849 Previous service, 1845–1847. | 02nd term* | Left the House in 1851. |
108 | William Van Ness Bay | D | MO-02 | March 4, 1849 | 01st term | Left the House in 1851. |
109 | James M. H. Beale | D | VA-14 | March 4, 1849 Previous service, 1833–1837. | 03rd term* |
110 | Henry Bennett | W | NY-22 | March 4, 1849 | 01st term |
111 | William H. Bissell | D | IL-01 | March 4, 1849 | 01st term |
112 | David A. Bokee | W | NY-02 | March 4, 1849 | 01st term | Left the House in 1851. |
113 | Walter Booth | D | CT-02 | March 4, 1849 | 01st term | Left the House in 1851. |
114 | Richard Bowie | W | MD-01 | March 4, 1849 | 01st term |
115 | Daniel Breck | W | KY-06 | March 4, 1849 | 01st term | Left the House in 1851. |
116 | George Briggs | W | NY-05 | March 4, 1849 | 01st term |
117 | James Brooks | W | NY-06 | March 4, 1849 | 01st term |
118 | Alexander W. Buel | D | MI-01 | March 4, 1849 | 01st term | Left the House in 1851. |
119 | Lorenzo Burrows | W | NY-34 | March 4, 1849 | 01st term |
120 | Thomas B. Butler | W | CT-04 | March 4, 1849 | 01st term | Left the House in 1851. |
121 | William J. Brown | D | IN-05 | March 4, 1849 Previous service, 1843–1845. | 02nd term* | Left the House in 1851. |
122 | Joseph Cable | D | OH-17 | March 4, 1849 | 01st term |
123 | George Caldwell | D | KY-04 | March 4, 1849 Previous service, 1843–1845. | 02nd term* | Left the House in 1851. |
124 | Joseph P. Caldwell | W | NC-02 | March 4, 1849 | 01st term |
125 | Samuel Calvin | W | PA-17 | March 4, 1849 | 01st term | Left the House in 1851. |
126 | Lewis D. Campbell | W | OH-02 | March 4, 1849 | 01st term |
127 | David K. Cartter | D | OH-18 | March 4, 1849 | 01st term |
128 | Joseph Casey | W | PA-13 | March 4, 1849 | 01st term | Left the House in 1851. |
129 | Joseph R. Chandler | W | PA-02 | March 4, 1849 | 01st term |
130 | Charles E. Clarke | W | NY-19 | March 4, 1849 | 01st term | Left the House in 1851. |
131 | Chauncey F. Cleveland | D | CT-03 | March 4, 1849 | 01st term |
132 | William F. Colcock | D | SC-07 | March 4, 1849 | 01st term |
133 | Orasmus Cole | W | WI-02 | March 4, 1849 | 01st term | Left the House in 1851. |
134 | Charles M. Conrad | W | LA-02 | March 4, 1849 | 01st term | Resigned on August 17, 1850. |
135 | Moses Bledso Corwin | W | OH-04 | March 4, 1849 | 01st term | Left the House in 1851. |
136 | Edmund Deberry | W | NC-03 | March 4, 1849 Previous service, 1829–1831 and 1833–1845. | 08th term** | Left the House in 1851. |
137 | Jesse C. Dickey | W | PA-07 | March 4, 1849 | 01st term | Left the House in 1851. |
138 | Milo M. Dimmick | W | PA-10 | March 4, 1849 | 01st term |
139 | David T. Disney | D | OH-01 | March 4, 1849 | 01st term |
140 | Nathan F. Dixon II | W | RI-02 | March 4, 1849 | 01st term | Left the House in 1851. |
141 | James D. Doty | D | WI-03 | March 4, 1849 Previous service, 1839–1841. | 03rd term* |
142 | James H. Duncan | W | MA-03 | March 4, 1849 | 01st term |
143 | Cyrus L. Dunham | D | IN-02 | March 4, 1849 | 01st term |
144 | Charles Durkee | D | WI-01 | March 4, 1849 | 01st term |
145 | Henry A. Edmundson | D | VA-12 | March 4, 1849 | 01st term | Left the House in 1851. |
146 | Andrew Ewing | D | TN-08 | March 4, 1849 | 01st term | Left the House in 1851. |
147 | Graham N. Fitch | D | IN-09 | March 4, 1849 | 01st term |
148 | Orin Fowler | W | MA-09 | March 4, 1849 | 01st term |
149 | Thomas J. D. Fuller | D | ME-07 | March 4, 1849 | 01st term |
150 | Elbridge Gerry | D | ME-01 | March 4, 1849 | 01st term | Left the House in 1851. |
151 | Alfred Gilmore | D | PA-24 | March 4, 1849 | 01st term |
152 | Rufus K. Goodenow | W | ME-04 | March 4, 1849 | 01st term | Left the House in 1851. |
153 | Herman D. Gould | W | NY-10 | March 4, 1849 | 01st term | Left the House in 1851. |
154 | Willis A. Gorman | D | IN-06 | March 4, 1849 | 01st term |
155 | Thomas C. Hackett | D | GA-05 | March 4, 1849 | 01st term | Left the House in 1851. |
156 | Ransom Halloway | W | NY-08 | March 4, 1849 | 01st term | Left the House in 1851. |
157 | William T. Hamilton | D | MD-02 | March 4, 1849 | 01st term |
158 | Edward Hammond | D | MD-03 | March 4, 1849 | 01st term |
159 | Andrew J. Harlan | D | IN-10 | March 4, 1849 | 01st term | Left the House in 1851. |
160 | Isham G. Harris | D | TN-09 | March 4, 1849 | 01st term |
161 | Thomas L. Harris | D | IL-07 | March 4, 1849 | 01st term | Left the House in 1851. |
162 | Andrew K. Hay | W | NJ-01 | March 4, 1849 | 01st term | Left the House in 1851. |
163 | William Hebard | W | VT-02 | March 4, 1849 | 01st term |
164 | David Hubbard | D | AL-05 | March 4, 1849 Previous service, 1839–1841. | 02nd term* | Left the House in 1851. |
165 | Harry Hibbard | D | NH-04 | March 4, 1849 | 01st term |
166 | Moses Hoagland | D | OH-16 | March 4, 1849 | 01st term | Left the House in 1851. |
167 | Alexander Holladay | D | VA-08 | March 4, 1849 | 01st term |
168 | Volney Howard | D | TX-02 | March 4, 1849 | 01st term |
169 | John W. Howe | W | PA-22 | March 4, 1849 | 01st term |
170 | William F. Hunter | W | OH-15 | March 4, 1849 | 01st term |
171 | William T. Jackson | W | NY-26 | March 4, 1849 | 01st term | Left the House in 1851. |
172 | James L. Johnson | W | KY-02 | March 4, 1849 | 01st term | Left the House in 1851. |
173 | George W. Julian | D | IN-04 | March 4, 1849 | 01st term | Left the House in 1851. |
174 | John B. Kerr | W | MD-06 | March 4, 1849 | 01st term | Left the House in 1851. |
175 | George G. King | W | RI-01 | March 4, 1849 | 01st term |
176 | James G. King | W | NJ-05 | March 4, 1849 | 01st term | Left the House in 1851. |
177 | John A. King | W | NY-01 | March 4, 1849 | 01st term | Left the House in 1851. |
178 | Preston King | W | NY-18 | March 4, 1849 Previous service, 1843–1847. | 03rd term* |
179 | Nathaniel Littlefield | D | ME-02 | March 4, 1849 Previous service, 1841–1843. | 02nd term* | Left the House in 1851. |
180 | Humphrey Marshall | W | KY-07 | March 4, 1849 | 01st term |
181 | John C. Mason | D | KY-09 | March 4, 1849 | 01st term |
182 | Orsamus B. Matteson | W | NY-20 | March 4, 1849 | 01st term | Left the House in 1851. |
183 | Joseph E. McDonald | D | IN-08 | March 4, 1849 | 01st term | Left the House in 1851. |
184 | Edward W. McGaughey | W | IN-07 | March 4, 1849 Previous service, 1845–1847. | 02nd term* | Left the House in 1851. |
185 | Thomas McKissock | W | NY-09 | March 4, 1849 | 01st term | Left the House in 1851. |
186 | James Xavier McLanahan | D | PA-16 | March 4, 1849 | 01st term |
187 | Finis McLean | W | KY-03 | March 4, 1849 | 01st term | Left the House in 1851. |
188 | Fayette McMullen | D | VA-13 | March 4, 1849 | 01st term |
189 | John Millson | D | VA-01 | March 4, 1849 | 01st term |
190 | Henry D. Moore | W | PA-03 | March 4, 1849 | 01st term |
191 | Jeremiah Morton | W | VA-09 | March 4, 1849 | 01st term | Left the House in 1851. |
192 | Alexander Newman | D | VA-15 | March 4, 1849 | 01st term | Died on September 8, 1849. |
193 | Andrew J. Ogle | W | PA-18 | March 4, 1849 | 01st term | Left the House in 1851. |
194 | Edson B. Olds | D | OH-09 | March 4, 1849 | 01st term |
195 | James L. Orr | D | SC-02 | March 4, 1849 | 01st term |
196 | John Otis | W | ME-03 | March 4, 1849 | 01st term | Left the House in 1851. |
197 | Allen F. Owen | W | GA-03 | March 4, 1849 | 01st term | Left the House in 1851. |
198 | Richard Parker | D | VA-10 | March 4, 1849 | 01st term | Left the House in 1851. |
199 | Jonas P. Phoenix | W | NY-03 | March 4, 1849 Previous service, 1843–1845. | 02nd term* | Left the House in 1851. |
200 | Charles W. Pitman | W | PA-14 | March 4, 1849 | 01st term | Left the House in 1851. |
201 | Emery D. Potter | D | OH-05 | March 4, 1849 Previous service, 1843–1845. | 02nd term* | Left the House in 1851. |
202 | Paulus Powell | D | VA-05 | March 4, 1849 | 01st term |
203 | Robert R. Reed | W | PA-20 | March 4, 1849 | 01st term | Left the House in 1851. |
204 | Elijah Risley | W | NY-31 | March 4, 1849 | 01st term | Left the House in 1851. |
205 | John Robbins | D | PA-04 | March 4, 1849 | 01st term |
206 | Thomas Ross | D | PA-06 | March 4, 1849 | 01st term |
207 | William A. Sackett | W | NY-27 | March 4, 1849 | 01st term |
208 | John H. Savage | D | TN-04 | March 4, 1849 | 01st term |
209 | Cullen Sawtelle | D | ME-05 | March 4, 1849 Previous service, 1845–1847. | 02nd term* | Left the House in 1851. |
210 | Abraham M. Schermerhorn | W | NY-28 | March 4, 1849 | 01st term |
211 | John L. Schoolcraft | W | NY-13 | March 4, 1849 | 01st term |
212 | James Seddon | D | VA-06 | March 4, 1849 Previous service, 1845–1847. | 02nd term* | Left the House in 1851. |
213 | Elbridge G. Spaulding | W | NY-32 | March 4, 1849 | 01st term | Left the House in 1851. |
214 | William Sprague | W | MI-02 | March 4, 1849 | 01st term | Left the House in 1851. |
215 | Richard H. Stanton | D | KY-10 | March 4, 1849 | 01st term |
216 | Edward Stanly | W | NC-08 | March 4, 1849 Previous service, 1837–1843. | 04th term* |
217 | Charles Stetson | D | ME-06 | March 4, 1849 | 01st term | Left the House in 1851. |
218 | Thaddeus Stevens | W | PA-08 | March 4, 1849 | 01st term |
219 | Charles Sweetser | D | OH-10 | March 4, 1849 | 01st term |
220 | John R. Thurman | W | NY-15 | March 4, 1849 | 01st term | Left the House in 1851. |
221 | Walter Underhill | W | NY-04 | March 4, 1849 | 01st term | Left the House in 1851. |
222 | Hiram Walden | D | NY-21 | March 4, 1849 | 01st term | Left the House in 1851. |
223 | Loren P. Waldo | D | CT-01 | March 4, 1849 | 01st term | Left the House in 1851. |
224 | Albert G. Watkins | W | TN-02 | March 4, 1849 | 01st term |
225 | Marshall J. Wellborn | D | GA-02 | March 4, 1849 | 01st term | Left the House in 1851. |
226 | William A. Whittlesey | D | OH-13 | March 4, 1849 | 01st term | Left the House in 1851. |
227 | Isaac Wildrick | D | NJ-03 | March 4, 1849 | 01st term |
228 | Christopher H. Williams | W | TN-11 | March 4, 1849 Previous service, 1837–1843. | 04th term* |
230 | Timothy R. Young | D | IL-03 | March 4, 1849 | 01st term | Left the House in 1851. |
| Thomas Haymond | W | VA-15 | November 8, 1849 | 01st term | Left the House in 1851. |
| James Meacham | W | VT-03 | December 3, 1849 | 01st term |
| William McWillie | D | MS-03 | December 3, 1849 | 01st term | Left the House in 1851. |
| Amos E. Wood | D | OH-06 | December 3, 1849 | 01st term | Died on November 19, 1850. |
| Joseph W. Jackson | D | GA-01 | March 4, 1850 | 01st term |
| Samuel A. Eliot | W | MA-01 | August 22, 1850 | 01st term | Left the House in 1851. |
| Edward Gilbert | D | CA | September 11, 1850 | 01st term | Left the House in 1851. |
| George W. Wright | D | CA | September 11, 1850 | 01st term | Left the House in 1851. |
| George W. Morrison | D | NH-03 | October 8, 1850 | 01st term | Left the House in 1851. |
| Joel B. Danner | D | PA-15 | December 2, 1850 | 01st term | Left the House in 1851. |
| Henry A. Bullard | W | LA-02 | December 5, 1850 Previous service, 1831–1834. | 03rd term* | Left the House in 1851. |
| Daniel F. Miller | W | IA-01 | December 20, 1850 | 01st term | Left the House in 1851. |
| Alexander G. Penn | D | LA-03 | December 30, 1850 | 01st term |
| John Bell | W | OH-06 | January 7, 1851 | 01st term | Left the House in 1851. |
| John Brisbin | D | PA-11 | January 15, 1851 | 01st term | Left the House in 1851. |