In deaths:
| May 9th 1931 | | A[lbert] A[braham] Michelson, US physicist (1907 Nobel), dies at 78
| | May 9th 1937 | | Walter Mittelholzer, Swiss aviation pioneer, dies in crash at 43
| | May 9th 1944 | | Ethel Mary Smyth, composer, dies at 86
| | May 9th 1945 | | Clem Hill, cricketer (49 Tests for Australia 1896-1912), dies
| | May 9th 1949 | | Louis II, Prince of Monaco, dies
| | May 9th 1951 | | Marie Ault, dies at 80
| | May 9th 1952 | | Canada Lee, black actor (Lost Boundaries), dies in NYC at 45
| | May 9th 1957 | | Ezio F Pinza, Italian bass (Scale of Milan, NY Met Opera), dies
| | May 9th 1957 | | Heinrich Campendonk, German painter/wood carver/glasier, dies at 67
| | May 9th 1958 | | Bill Goodwin, TV announcer (Burns & Allen), dies at 47
| | May 9th 1965 | | Leopold Figl, premier Austria, dies at 62
| | May 9th 1966 | | Wilhelmus M Bekkers, bishop of Dukeenbosch, dies
| | May 9th 1966 | | Alfred Mendelsohn, composer, dies at 56
| | May 9th 1967 | | Elmar Berkovich, Dutch industrial designer (Eindhoven theater), dies
| | May 9th 1967 | | Philippa Duke Schuyler, composer, dies at 35
|
|
