- Jul 1 Henry Johnson, American soldier of 369th regiment (aka Harlem Hell Fighters), 1st US WWI soldier to receive the Croix de guerre after fighting a German raid in hand-to-hand combat to rescue a fellow soldier (posthumous Medal of Honour, 2015), dies of myocarditis at 36
- Jul 2 Gladys Brockwell, American actress (Long Pants, Oliver Twist), dies in an automobile accident at 34
- Jul 3 Dustin Farnum, American actor (Squaw Man, Virginian, The Flaming Frontier), dies at 55
- Jul 4 Otto Taubmann, German composer, dies at 70
- Jul 11 Billy Mosforth, English footballer (b. 1857)
- Jul 12 Robert Henri, American painter (The Eight) and leader of Ashcan school of painting, dies at 63
- Jul 15 Hugo Von Hofmannsthal, Austrian playwright (Der Unbestechliche) and poet, dies of a stroke at 55
- Jul 20 Noble Drew Ali [Timothy Drew], American prophet (Moorish Science Temple), dies at 43
- Jul 22 Bror Beckman, Swedish composer, dies at 63
- Jul 22 Édouard Empain, Belgian railway builder (Heliopolis), dies at 76
- Jul 27 Raoul Pictet, Swiss physicist who invented liquid nitrogen and was a pioneer of cryogenics, dies at 83
- Jul 28 Henry Blake Fuller, American writer and dramatist (The Cliff-Dwellers, Under the Skylights), dies at 72
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning