Sam Houston (1793-1863)
Mar 2 American born 1st President of Republic of Texas (1836-38, 1841-44) who helped bring Texas into the United States as a constituent state, born in Rockbridge County, Virginia
- Mar 3 Charles Sealsfield [Carl Anton Postl], Austrian-American writer, born in Popice u Znojma, Moravia (d. 1864)
- Mar 3 William Charles Macready, British actor, manager, and diarist, born in London, England (d. 1873)
- Mar 4 Karl Lachmann, German philologist (d. 1851)
- Mar 6 Bernhard Joseph Klein, German sacred and secular music composer, and educator, born in Cologne, Germany (d. 1832)
- Mar 11 Jan Frans Willems, Flemish writer and philologist, born in Boechout, Belgium (d. 1846)
- Mar 12 Augustin-Philippe Peellaert, Belgian military officer, painter, composer, and librettist, born in Bruges, Belgium (d. 1876)
- Mar 28 Henry Schoolcraft, American geographer and geologist, born in Guilderland, New York (d. 1864)