- Jul 3 Achilles Alferaki, Russian composer, born in Kharkov, Russian Empire (d. 1919)
- Jul 11 Léon Bloy, French novelist and essayist, born in Périgueux, France (d. 1917)
- Jul 19 Charles Edward Pickering, American astronomer and pioneered American spectroscopist, born in Boston, Massachusetts (d. 1919)
- Jul 26 Texas Jack Omohundro, American frontier scout, actor, and cowboy, born in Palmyra, Virginia (d. 1880)
- Jul 29 Isabel, Princess Imperial of Brazil (while serving as regent signed law abolishing slavery), born in Rio de Janeiro, Brazil (d. 1921)