- Mar 2 Stanisław Taczak, Polish general, commander-in-chief of the Greater Poland Uprising (b. 1874)
- Mar 3 Sammy White, American comedian and actor (711 Ocean Drive, Sound Off), dies at 65
- Mar 4 Leonard Warren, American baritone (Met-1939-60), dies on stage at 48
- Mar 4 Herbert O'Conor, 51st Governor of the US State of Maryland (b. 1896)
- Mar 9 Jack Beattie, Northern Irish politician (b. 1886)
- Mar 11 Roy Chapman Andrews, US biologist/explorer, dies at 76
- Mar 22 José Antonio Aguirre, Basque politician (b. 1904)
- Mar 23 Franklin P Adams, columnist (Information Please), dies at 78
- Mar 24 Paul Joostens, Flemish painter, dies at 70
- Mar 26 Ian Keith, American actor (Abraham Lincoln, Queen Christina, Cleopatra, 3 Musketeers), dies from a heart attack at 61
- Mar 27 Ian Whyte, Scottish composer and conductor (BBC Scottish Orchestra), dies at 58
- Mar 30 Fritz Klimsch, German sculptor/painter, dies at 90
- Mar 30 Joseph Haas, German opera composer (Totenmesse), dies at 81
- Mar 31 Joseph Haas, German (opera)composer (Totenmesse), dies at 81