- Mar 1 Halsey William Wilson, American reference book publisher (Readers' Guide, Cumulative Book Index, Book Review Digest), dies at 85
- Mar 4 Georg Göhler, German composer (Rückert), dies at 79
- Mar 4 Noel Gay [Reginald Moxon Armitage], British composer (Who's Been Polishing the Sun), dies at 55
- Mar 5 Julian Coolidge, American mathematician (Study-Segre school), dies at 80
- Mar 6 Jan Kalf, Dutch art historian and literary scholar (Monument Conservation), dies at 80
- Mar 6 Louis Zimmermann, Dutch violinist (1st concert master of Amsterdam Symphony), composer, and educator, dies at 80
- Mar 7 Otto Diels, German organic chemist (1950 Nobel Prize for Chemistry for cyclic organic compounds), dies at 78
- Mar 9 Eva Ahnert-Rohlfs, German astronomer (b. 1912)
- Mar 9 V. Walfrid Ekman, Swedish oceanographer, dies at 79
- Mar 12 Bob Quinn, American baseball executive (owner Boston Red Sox 1923–33; part owner Boston Braves 1936–45; President National Baseball Hall of Fame 1948–51), dies at 84
- Mar 14 Fred Herd, Scottish golfer (US Open 1898), dies at 80
- Mar 14 Ludomir Michał Rogowski, Polish composer, dies at 72
- Mar 17 Victor Rousseau, Belgian sculptor, dies at 88
- Mar 18 Walter Mead, cricketer (one Test for England 1899), dies
- Mar 19 Walter Braunfels, German composer (Die Vögel -The Birds), dies at 71
- Mar 21 Harry Lawrence Freeman, American opera composer (Epthelia), composer, teacher, and impresario (Freeman Opera Company), known as the 'Black Wagner', dies of a heart ailment at 84
- Mar 28 Francis Brett Young, British physician and writer (Man About the House), dies at 69
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning