- Jul 4 Lucy Diggs Slowe, American educator (Dean of Women, Howard University, 1922-37), tennis champion (American Tennis Association, 1917), and sorority co-founder (Alpha Kappa Alpha, 1908), born in Berryville, Virginia (d. 1937)
- Jul 5 André Lhote, French painter and art historian (Traité du paysage), born in Bordeaux, France (d. 1962)
- Jul 6 Ernst Busch, German field marshal (WWII), born in Essen, German Empire (d. 1945)
- Jul 7 Ernest Bristow Farrar, composer
- Jul 8 Emil Bloch, German Marxist philosopher, born in Ludwigshafen, Germany (d. 1977)
- Jul 8 Hugo Boss, German fashion designer (Hugo Boss), born in Metzingen, Kingdom of Württemberg (d. 1948)
- Jul 11 Roger de la Fresnaye, French sculptor/painter
- Jul 12 George Butterworth, English composer, born in Paddington, London (d. 1916)
- Jul 14 Sisavang Vong, King of Laos (1904-59), born in Luang Phrabang (d. 1959)
- Jul 17 Benjamin Dale, British composer (Before the Paling of the Stars; The Flowing Tide), and educator (Royal Academy), born in Upper Holloway, Islington, England (d. 1943)
- Jul 20 Gustave Charlier, Belgian literature historian/critic
- Jul 21 Frances Parkinson Keyes, American novelist (Dinner at Antoine's), born in Charlottesville, Virginia (d. 1970)
- Jul 24 Desider Antalffy-Zsiross, Hungarian organist and composer, born in Nagybecskerek, Hungary (d. 1945)
- Jul 25 Benito Lynch, Irish-Argentine writer (Caranchos de la Florida), born in Buenos Aires, Argentina (d. 1951)
- Jul 26 Andre Maurois [Emile Herzog], French writer (Balzac), born in Elbeuf, France (d. 1967)
- Jul 29 Theda Bara, American film actress (Cleopatra, The Unchastened Woman), born in Avondale, Ohio (d. 1955)