Davy Crockett
Mar 6 Davy Crockett, American frontiersman, adventurer and politician, killed at the Battle of the Alamo at 49
- Mar 6 James Butler Bonham, American lawyer from South Carolina and soldier (b. 1807)
- Mar 6 James "Jim" Bowie, American pioneer and soldier (Texas Revolution), dies during Battle of Alamo at 39
- Mar 6 William B. Travis, American lawyer and soldier, dies at the Battle of the Alamo, at 26
- Mar 9 Antoine Destutt de Tracy, French Enlightenment philosopher, dies at 81
- Mar 27 James Fannin, Texas revolutionary (b. 1804)