- Aug 2 Manuel Pavía y Rodríguez de Alburquerque, Spanish general, born in Cadiz, Spain (d. 1895)
- Aug 5 Giovanni Rossi, Italian composer, born in Borgo San Donnino, Duchy of Parma and Piacenza (now Italy) (d. 1886)
- Aug 5 Louisa of the Netherlands, Dutch queen consort of Sweden and Norway and princess of the Netherlands, born in the Hague (d. 1871)
- Aug 11 Edward Saloman, American politician, Governor of Wisconsin (1862-64), born in Ströbeck, Prussian Saxony (d. 1909)
- Aug 16 Joseph Bradford Carr, American Brevet Major General (Union Army), born in Albany, New York (d. 1895)
- Aug 17 George William Warren, American composer and organist, born in Albany, New York (d. 1902)
- Aug 17 Jules Bernard Luys, French neurologist (d. 1897)
- Aug 24 George Hume "Maryland" Steuart, Brigadier General (Confederate Army), born in Baltimore, Maryland (d. 1903)
- Aug 26 Erik Anthon Valdemar Siboni, Danish organist and composer, born in Copenhagen (d. 1892)
- Aug 28 William Alexander Hammond, American military physician and Brigadier General (Union Army), born in Annapolis, Maryland (d. 1900)
- Aug 31 George Leonard Andrews, American professor, civil engineer, and Brevet Major General (Union Army), born in Bridgewater, Massachusetts (d. 1899)
Greatest Generation
Silent Generation
Baby Boomer
Generation X
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Generation Z