- Aug 3 Archduke Albrecht of Austria, Duke of Teschen (Battle at Custozza), born in Vienna, Austria (d. 1895)
- Aug 13 Károly Thern, Hungarian composer, born in Spišská Nová Ves, Slovakia (d. 1886)
- Aug 14 Alexander H. Bailey, American politician (Member of the U.S. House of Representatives from New York), born in Minisink, New York (d. 1874)
- Aug 16 Henry Winter Davis, American politician and unionist, born in Annapolis, Maryland (d. 1865)
- Aug 17 Joseph baron Kervyn de Lettenhove, Belgian Internal minister (1870-71)
- Aug 24 Aleksey Konstantinovich Tolstoy, Russian novelist, poet and playwright (Prince Serebrenni), born in Saint Petersburg, Russia (d. 1875)