- Aug 1 John Lester, American cricket all-rounder (Gentlemen of Philadelphia CC), born in Penrith, England (d. 1969)
- Aug 1 Oskar Fried, German-Russian composer, born in Berlin (d. 1941)
- Aug 2 John French Sloan, American painter and etcher, born in Lock Haven, Pennsylvania (d. 1951)
- Aug 3 Vernon Louis Parrington, American author (Romantic Revolution, Pulitzer 1928), born in Aurora, Illinois (d. 1929)
- Aug 6 Emanuel Querido, Dutch author and publisher (N.V. Em. Querido Uitgeversmaatschappij), born in Amsterdam (d. 1943)
- Aug 8 William Henry Squire, British cellist, music educator, and composer, born in Ross-on-Wye, Herefordshire, England (d. 1963)
- Aug 13 Karl Liebknecht, German Marxist revolutionary (Sparta Party), born in Leipzig, Germany (d. 1919)
- Aug 16 Zakhary Petrovich Paliashvili, Georgian composer (Abesalom and Eteri), born in Kutaisi (d. 1933)
- Aug 18 Johan J Arch, graphic artist (wood cutter)
Orville Wright (1871-1948)
Aug 19 American aviator (Wright Brothers), born in Dayton, Ohio
- Aug 21 Leonid Andreyev, Russian journalist and writer (Red Laugh, Seven Hangs), born in Oryol, Russia (d. 1919)
- Aug 22 James Foulis, Scottish golfer (US Open 1896), born in St. Andrews, Scotland (d. 1928)
- Aug 27 Theodore Dreiser, American novelist (Sister Carie, American Tragedy), born in Terre Haute, Indiana (d. 1945)
- Aug 29 Albert Lebrun, President of France (1932-40), born in Mercy-le-Haut, France (d. 1950)
Ernest Rutherford (1871-1937)
Aug 30 New Zealand physicist and father of nuclear physics (Nobel 1908), born in Brightwater, New Zealand
- Aug 31 James E. Ferguson, American Democratic politician and Texan Governor (1915-17), born in Salado, Texas (d. 1944)