4th Mississippi Legislature
The 4th Mississippi Legislature met from January 1, 1821, to February 12, 1821, in Natchez, Mississippi.
The Mississippi State Senate was composed of the following. James Patton, the lieutenant governor of Mississippi, served ex officio as the president of the Senate. Thomas A. Willis was elected Secretary of the Senate, and J. Lowry was elected Door-Keeper. On January 15, 1821, Thomas Torrence was elected president pro tempore of the Senate.
House
The Mississippi House of Representatives was composed of the following. Beverly R. Grayson was elected Speaker of the House. Non-representatives Peter A. Vandorn and James R. Whitney were elected to the offices of clerk and door keeper, respectively.