- Jul 2 Henry Eugene Davies, American writer, public official, lawyer, and Major General (Union Army), born in NYC, New York (d. 1894)
- Jul 8 Joseph Chamberlain, British statesman (Secretary of State for the Colonies), born in Camberwell, England (d. 1914)
- Jul 9 Camille de Renesse, Belgian nobleman and entrepreneur, born in Brussels, Belgium (d. 1904)
- Jul 11 Antônio Carlos Gomes, Brazilian opera composer, first from outside of Europe have a successful career in Italy, born in Campinas, São Paulo, Empire of Brazil (d. 1896)
- Jul 20 Thomas Allbutt, English physiologist (Diseases of the Heart), born in Dewsbury, Yorkshire (d. 1925)
- Jul 24 Jan Bloch, Polish military theorist and peace activist, born in Radom, Poland (d. 1902)