- Aug 3 Isabella Caroline Somerset, British philanthropist, temperance leader and campaigner for women's rights, born in London (d. 1921)
- Aug 13 Felix Adler, German-American educator of political and social ethics, born in Alzey, Grand Duchy of Hesse, Germany (d. 1933)
- Aug 13 John Lincoln Clem, American general and drummer boy (Union Army), born in Newark, Ohio (d. 1937)
Doc Holliday (1851-1887)
Aug 14 American dentist, gambler, and gunfighter (Gunfight at the O.K. Corral), born in Griffin, Georgia
Charles E. Hires (1851-1937)
Aug 19 American pharmacist, inventor and manufacturer of the Hires Root Beer beverage, born in Elsinboro, Pennsylvania
- Aug 19 Frans Schollaert, Belgian Catholic Party politician and 19th Prime Minister of Belgium (1908-11), born in Wilsele, Belgium (d. 1917)
- Aug 24 Tom Kendall, Australian cricket slow bowler (2 Tests, 14 wickets in Australia's 1st 2 Tests, BB 7/55), born in Bedford, England (d. 1924)
- Aug 25 Alexander, Prince of Orange, heir apparent to the Netherlands, born in Noordeinde Palace, The Hague, Netherlands (d. 1884)