- Jul 1 John Clarkson, American Baseball HOF pitcher (Triple Crown 1889; no-hitter 1885; 3 × NL wins leader; 3 × NL strikeout leader; Chicago White Stockings, Boston Beaneaters), born in Cambridge, Massachusetts (d. 1909)
- Jul 1 Samuel D. Riddle, American thoroughbred owner (Man 'o War, War Admiral), born in Glen Riddle, Pennsylvania (d. 1951)
- Jul 3 Peter Jackson, Australian heavyweight boxer (International Boxing Hall of Fame), born in Christiansted, US Virgin Islands (d. 1901)
- Jul 7 Nettie Stevens, American geneticist (discovered sex chromosomes), born in Cavendish, Vermont (d. 1912) [1]
- Jul 11 George W. Norris, U.S. Senator noted for his advocacy of political reform and of public ownership of hydroelectric-power plants, born in Sandusky, Ohio (d. 1944)
- Jul 12 Anton Arensky, Russian composer, born in Novgorod, Russia (d. 1906)
- Jul 23 Alexander Willem Frederik Idenburg, Dutch politician of the Anti Revolutionary Party and Governor-General of Dutch Indies (1909-16), born in Rotterdam, Netherlands (d. 1935)
- Jul 25 Andrew Cowper Lawson, Scottish-Canadian Geologist who was the first person to identify and name the San Andreas Fault, born in Anstruther, Scotland (d. 1952)
- Jul 29 Alice Hathaway Lee Roosevelt, 1st wife of Theodore Roosevelt, born in Chestnut Hill, Massachusetts (d. 1884)
- Jul 29 Sergei Sazonov, Russian Minister of Foreign Affairs (1910-16), born in Ryazan Governorate, Russian Empire (d. 1927)
20-29
30-39
40-49
50-59
80-89
Over 90