| Before: | 8th Mississippi Legislature |
| After: | 10th Mississippi Legislature |
| Body: | Mississippi Legislature |
| State: | Mississippi |
| Chamber1: | Mississippi State Senate |
| Chamber1 Leader1 Type: | President |
| Chamber1 Leader1: | Gerard C. Brandon |
| Chamber2: | Mississippi House of Representatives |
| Chamber2 Leader1: | Isaac R. Nicholson |
| Chamber2 Leader1 Type: | Speaker |
| Chamber1 Leader2 Type: | President pro tempore |
| Chamber1 Leader2: | Thomas Freeland |
The 9th Mississippi Legislature met from January 2, 1826 to January 31, 1826, in Jackson, Mississippi.[1] [2] It was composed of the Mississippi State Senate and the Mississippi House of Representatives. Some senators and all representatives were elected in August 1825.[3]
As the Gerard Brandon, the Lieutenant Governor (Senate President) was Acting Governor when the term started, Thomas Freeland was elected as the Senate's President Pro Tempore. On January 7, 1826, David Holmes was sworn in as Governor, allowing Brandon to resume his role as Lieutenant Governor and ex officio President of the Senate. Non-senators William H. Chaille and Joseph Pierce were elected Senate's Secretary and Door-Keeper respectively.
| County District | Senator Name | Year Elected | |
| Adams | Fountain Winston | 1825 | |
| Adam L. Bingaman | 1823[4] | ||
| Warren, Claiborne | Thomas Freeland | 1823 | |
| Pike, Marion | Wiley P. Harris | 1824[5] | |
| Hinds, Jefferson, Copiah, Yazoo | Harden D. Runnels | 1824 | |
| Lawrence | Charles Lynch | 1824 | |
| Amite, Franklin | Charles C. Slocumb | 1825 | |
| Jackson, Hancock, Green, Perry | John McLeod | 1825 | |
| Wayne, Covington, Monroe | William Dowsing | 1825 | |
| Wilkinson | Abram M. Scott | 1825 |
Isaac R. Nicholson was elected Speaker of the House. Non-representatives James Phillips Jr. and Dillard Collins were elected Clerk and Door-Keeper respectively.
| County | Representative Name | |
| Adams | Benjamin L. C. Wailes | |
| Adams (Natchez) | Charles B. Green | |
| Amite | Francis Graves | |
| Soloman Weathersby | ||
| Edmund Smith | ||
| Claiborne | William Briscoe | |
| David Dickson | ||
| Copiah | Isaac R. Nicholson | |
| Covington | Joseph McAfee | |
| Franklin | Thomas Cotton | |
| James C. Hawley | ||
| Green | Archibald McManus | |
| Hancock | Thomas Holmes | |
| Hinds | William Walker | |
| Jackson | John McDonald | |
| Jefferson | Malcolm Gilchrist | |
| John L. Irwin | ||
| Lawrence | Harman Runnels | |
| Joseph Cooper | ||
| Reuben Collins | ||
| Marion | Merry Bracy | |
| Monroe | Robert D. Haden | |
| Perry | J. J. H. Morris | |
| Pike | William Dickson | |
| David Cleveland | ||
| Vincent Garner | ||
| Simpson | William Tullus | |
| Warren | Henry N. Vick | |
| Wayne | Thomas S. Sterling | |
| John H. Horne | ||
| Wilkinson | William Haile | |
| Cotesworth P. Smith | ||
| William L. Brandon | ||
| Yazoo | Lindsey C. Hall |