- Aug 1 George Baird Hodge, American Brigadier General (Confederate Army), dies at 64
- Aug 9 Matthias de Vries, Dutch linguist (spelling), dies at 71
- Aug 11 Enrico Betti, Italian mathematician (b. 1813)
- Aug 19 František Zdeněk Skuherský, Czech composer, dies at 62
- Aug 23 Deodoro da Fonseca, 1st President of Brazil (b. 1827)