Charles Tupper (1821-1915)
Jul 2 6th Prime Minister of Canada (Conservative: 69-day term in 1896), born in Amherst, Nova Scotia
- Jul 6 Edward Pettus, American Brigadier General (Confederate Army), born in Athens, Alabama (d. 1907)
- Jul 8 Jozef Lies, Flemish painter, born in Antwerp (d. 1865)
- Jul 8 William Harvey Lamb Wallace, American Brigadier General (Union Army), born in Urbana, Ohio (d. 1862)
- Jul 10 Christopher Columbus Augur, American Major General (Union Army), born in Kendall, New York (d. 1898)
- Jul 12 Cesare Dominiceti, Italian composer, born in Desenzano del Garda, Italy (d. 1888)
- Jul 12 Daniel Harvey Hill, Confederate General (American Civil War), born in York District, South Carolina (d. 1889)
Nathan Bedford Forrest (1821-1877)
Jul 13 American slave trader, Confederate lieutenant general and KKK Grand Wizard, born in Chapel Hill, Tennessee
Mary Baker Eddy (1821-1910)
Jul 16 American founder of the religious movement, Christian Science (Science & Health), born in Bow, New Hampshire
Bill the Butcher (1821-1855)
Jul 24 American gang member (New York City's Bowery Boys), born in Sussex County, New Jersey