- Aug 2 Mstislav Dobuzhinsky, Russian-Lithuanian artist, born in Veliky Novgorod, Russia (d. 1957)
- Aug 6 Marcel Labey, French conductor and composer, born in Vésinet, France (d. 1968)
- Aug 8 Artur da Silva Bernardes, President of Brazil (d. 1955)
- Aug 9 Albert William Ketèlbey, British pianist and composer (In A Monastery Garden), born in Aston, Birmingham (d. 1959)
- Aug 12 (Héctor) Ettore Panizza, Argentinian composer (Aurora; Bizancio). and opera conductor, born in Buenos Aires, Argentina (d. 1967)
- Aug 12 Mezio Agostini, Italian composer, born in Fano, Italy (d. 1944)
- Aug 15 Samuel Coleridge-Taylor, African-British composer (Hiawatha's Wedding Feast), born in London, England (d. 1912)
- Aug 16 Florrie Forde [Flannagan], Australian singer and British music hall performer, born in Fitzroy, Victoria, Australia (d. 1940)
- Aug 18 Johan E. Elias, Dutch historian (Amsterdam's regency), born in Amsterdam (d. 1960)
- Aug 19 Stjepan Seljan, Croatian explorer (Ethiopia, South America), born in Karlovac, Croatia (d. 1936)
- Aug 21 Maurice Lippens, Belgian governor of Congo (1921-23), born in Ghent, Belgium (d. 1956)
- Aug 23 Eugene Lanceray, Russian artist, born in Pavlovsk, Saint Petersburg, Russia (d. 1946)
- Aug 23 William Eccles, English physicist and radio pioneer, born in Barrow-in-Furness, England (d. 1966)
- Aug 26 John Buchan, Scottish politician, Governor-General of Canada (1935-40), writer (The Thirty-Nine Steps) and historian, born in Perth, Scotland (d. 1940)
- Aug 27 Katharine McCormick, American biologist, suffragist and philanthropist, born in Dexter, Michigan (d. 1967)
- Aug 31 Eddie Plank, American Baseball HOF pitcher (World Series 1910, 11, 13 Philadelphia A's), born in Gettysburg, Pennsylvania (d. 1926)