- Mar 6 Karol Kurpiński, Polish composer (Pygmalion; Kalmora, or The Paternal Right of the Americans), conductor (Warsaw Opera, 1810-40), and pedagogue, born in Włoszakowice, Poland (d. 1857)
- Mar 7 Alessandro Manzoni, Italian poet and novelist (Betrothed), born in Milan, Duchy of Milan (d. 1873)
- Mar 11 John McLean, American Supreme Court Justice (1829-61) and Postmaster General, born in Morris County, New Jersey (d. 1861)
- Mar 19 Pierre-Joseph-Guillaume Zimmermann, French pianist, music teacher, and composer, born in Paris, France (d. 1853)
- Mar 27 Louis XVII Charles, King of France (1793-95), born in Palace of Versailles, France (d. 1795)