- Jul 1 Louis Davids [Simon David], Dutch cabaret artist and comedian, dies at 65
- Jul 7 Deacon White, American Baseball Hall of Fame catcher (NL batting champion, RBI leader 1877; Boston Red Stockings), dies from heat stroke at 91
- Jul 8 Havelock Ellis, English physician and social reformer who studied sexual behaviour (Man & Woman), dies at 80
- Jul 13 Margaret Johnson, American jazz pianist known as "Countess" and "Queenie" (Andy Kirk's Clouds of Joy; Lester Young), dies of tuberculosis at 20
- Jul 14 Alphonse Mucha, Czech Nouveau painter and artist, dies at 78
- Jul 15 Johon Mellanby, physiologist, dies
- Jul 15 Percy Scott Worthington, architect, dies
- Jul 16 Beatrice Erskine Lane Suzuki, Zen student, dies
- Jul 18 Witold Maliszewski, Polish composer, dies at 65
- Jul 19 Rose Hartwick Thorpe, American poet (Curfew Must Not Ring) and writer, dies at 89
- Jul 19 Tom Hayward, English cricket batsman (35 Tests, 3 x 100; HS 137; Surrey CCC), dies at 68
- Jul 20 Joseph Mendes da Costa, sculptor, dies
- Jul 26 Billy Murphy, New Zealand boxer (world featherweight champion 1890; first world champion in any class from NZ), dies at 75
- Jul 27 Alexandre Stellio [Fructueux], Martinican biguine clarinetist, composer, and bandleader, dies at 54
- Jul 28 William James Mayo, American surgeon and co-founder (Mayo Clinic in Minnesota), dies at 78
Assassination
Car Crash
Hanging
Killed in Action
Plane Crash
Poisoning