- Jul 2 Alfons Maria Jakob, German neurologist, born in Aschaffenburg, Bavaria (d. 1931)
- Jul 3 Moses Leverock Crossley, Dutch bio-chemist, born in Saba, Dutch West Indies
- Jul 4 Alexander Byvanck, Dutch art historian and archaeologist, born in Leiden, Netherlands (d. 1970)
- Jul 6 André Dunoyer de Segonzac, French painter and cartoonist, born in Boussy-Saint-Antoine, France (d. 1974)
- Jul 6 Harold Vanderbilt, American yachtsman and America's Cup winner (1930, 34, 37), born in Oakdale, New York (d. 1970)
- Jul 6 Willem Dudok, Dutch architect (town hall Hilversum/Beehive Rotterdam), born in Amsterdam (d. 1974)
- Jul 7 Lion Feuchtwanger, German dramatist (d. 1958)
- Jul 12 Amedeo Modigliani, Italian painter and sculptor (Reclining Nude), born in Livorno, Tuscany, Italy (d. 1920)
Louis B. Mayer (1884-1957)
Jul 12 American film producer and creator of the star system (MGM), born in Minsk, Russian Empire
- Jul 13 Francis B Young, British physician/writer (White Ladies)
- Jul 13 John Francis Larchet, composer
- Jul 15 Enrique Soro, Chilean composer, born in Concepción, Chile (d. 1954)
- Jul 16 Anna Vyrubova, Russian lady-in-waiting, the best friend and confidante of Tsaritsa Alexandra Fyodorovna, born in Oranienbaum, Russian Empire (d. 1964)
- Jul 18 Alberto di Jorio, Italian Cardinal and former head of the Vatican Bank, born in Rome (d. 1979)
- Jul 23 Albert Warner [Abraham Albert Wonsal], American film producer (Warner Bros. Studio), born in Krasnosielc, Congress Poland, Russian Empire (d. 1967)
- Jul 23 Apolinary Szeluto, Polish pianist and composer, born in St. Petersburg, Russia (d. 1966)
Emil Jannings (1884-1950)
Jul 23 German actor (Faust, The Blue Angel, The Way of All Flesh), born in Rorschach, Switzerland
- Jul 24 Abraham Rutgers, Dutch governor (Suriname, 1928-33), born in Amsterdam (d. 1966)
Davidson Black (1884-1934)
Jul 25 Canadian paleoanthropologist and doctor of anatomy who identified "Peking Man", born in Toronto, Ontario