- Jul 1 Eliel Saarinen, Finish-American architect (Chicago Tribune building), dies at 76
- Jul 1 Émile Jaques-Dalcroze, Swiss musician and educator (Dalcroze erythmics), dies at 84
- Jul 4 William C. Fownes Jr, American golfer and administrator (US Amateur C'ship 1910; President US Golf Ass'n 1926-27), dies at 72
- Jul 5 Private Kenneth Shadrick becomes the first identified American soldier killed in the Korean War
- Jul 5 Salvatore Giuliano, Sicilian bandit, shot by police
- Jul 6 Theodore "Fats" Navarro, American jazz trumpet player, dies from poor health following long-term heroin addiction, tuberculosis, and a weight problem, at 26
- Jul 6 Harold Weekes, American College Football Hall of Fame halfback (Columbia University; All American 1901), dies at 70
- Jul 8 Othmar Spann, Austrian economist and sociologist (Wahre State), dies at 71
- Jul 11 Timotei Popovici, composer, dies at 79
- Jul 12 Elsie de Wolfe, American socialite and interior decorator (b. 1865)
- Jul 14 Āpirana Ngata, Māori New Zealand politician and lawyer known for promoting and protecting Māori culture and language, dies at 76
Mackenzie King
Jul 22 Mackenzie King, 10th Prime Minister of Canada (1921-30, and 1935-48), dies of pneumonia at 75