- Jul 5 George Moore, Australian jockey (Epsom Derby 1967, Prix de l'Arc de Triomphe 1959, Prix du Jockey Club 1960, Irish 1000 Guineas 1959, 5 x Doomben 10,000, 3 x Sydney Cup), born in Mackay, Australia (d. 2008)
- Jul 5 John McKay, American College Football HOF coach (4 x NCAA C'ship 1962, 67, 72, 74 ; 5 x Rose Bowl USC; NFL: Tampa Bay Buccaneers 1976-84), born in Everettville, West Virginia (d. 2001)
- Jul 8 Harrison Dillard, American athlete (Olympic gold 100m, 4×100m relay 1948; 110m hurdles, 4×100m relay 1952), born in Cleveland, Ohio (d. 2019)
- Jul 14 Willie Steele, American athlete (Olympic gold long jump 1948), born in El Centro, California (d. 1989)
- Jul 19 Alex Hannum, American Basketball HOF coach (1st ABA, NBA winning coach; ABA C'ship 1969 Oakland Oaks; NBA C'ship 1958 St. Louis Hawks, 1967 Philadelphia 76ers), born in Los Angeles, California (d. 2002)
- Jul 22 Netti Witziers-Timmer, Dutch athlete (Olympic gold 4×100m relay 1948), born in Amsterdam, Netherlands (d. 2005)
- Jul 23 Luis Aloma, Cuban baseball player, born in Havana, Cuba (d. 1997)
- Jul 25 Bill Fitsell, Canadian journalist, writer and historian (International Hockey Hall of Fame curator, historian 1969-2005), born in Barrie, Ontario (d. 2020)
- Jul 31 Jimmy Evert, American tennis coach (father of Chris Evert), born in Chicago, Illinois (d. 2015)
About July 1923
How Old? 100 years old
Generation: Greatest Generation
Leap Year: No
Baseball Players
Basketball Stars
Boxers
Footballers
NFL Stars
Tennis Champions