- Mar 1 Juan Manuel Olivares, Venezuelan composer, dies at 36
- Mar 2 Horace Walpole, British horror writer (Castle of Otranto), dies at 79
- Mar 19 Philip Hayes, English composer, dies at 58
James Hutton
Mar 26 James Hutton, geologist, dies
James Hutton
- Mar 31 Betty Washington, younger sister of George Washington, dies at 63