| 78391 | July 10 | Birth | 1920 – Owen Chamberlain, American physicist and academic, Nobel Prize laureate (d. 2006) |
| 78392 | July 10 | Birth | 1921 – Harvey Ball, American illustrator, created the Smiley (d. 2001) |
| 78393 | July 10 | Birth | 1921 – Jeff Donnell, American actress (d. 1988) |
| 78394 | July 10 | Birth | 1921 – Jake LaMotta, American boxer and actor |
| 78395 | July 10 | Birth | 1921 – Eunice Kennedy Shriver, American activist, co-founded the Special Olympics (d. 2009) |
| 78396 | July 10 | Birth | 1922 – Jean Kerr, American author and playwright (d. 2003) |
| 78397 | July 10 | Birth | 1922 – Herb McKenley, Jamaican sprinter (d. 2007) |
| 78398 | July 10 | Birth | 1923 – John Bradley, American soldier (d. 1994) |
| 78399 | July 10 | Birth | 1923 – Suzanne Cloutier, Canadian actress and producer (d. 2003) |
| 78400 | July 10 | Birth | 1923 – G. A. Kulkarni, Indian author and academic (d. 1987) |
| 78401 | July 10 | Birth | 1924 – Johnny Bach, American basketball player and coach |
| 78402 | July 10 | Birth | 1924 – Bobo Brazil, American wrestler (d. 1998) |
| 78403 | July 10 | Birth | 1925 – Mahathir Mohamad, Malaysian physician and politician, 4th Prime Minister of Malaysia |
| 78404 | July 10 | Birth | 1926 – Fred Gwynne, American actor and singer (d. 1993) |
| 78405 | July 10 | Birth | 1927 – Grigory Barenblatt, Russian mathematician and academic |
| 78406 | July 10 | Birth | 1927 – David Dinkins, American soldier and politician, 106th Mayor of New York City |
| 78407 | July 10 | Birth | 1928 – Bernard Buffet, French painter and illustrator (d. 1999) |
| 78408 | July 10 | Birth | 1928 – Alejandro de Tomaso, Argentinian-Italian race car driver and businessman, founded De Tomaso (d. 2003) |
| 78409 | July 10 | Birth | 1928 – Moshe Greenberg, American-Israeli rabbi and scholar (d. 2010) |
| 78410 | July 10 | Birth | 1929 – Winnie Ewing, Scottish lawyer and politician |
| 78411 | July 10 | Birth | 1929 – Moe Norman, Canadian golfer (d. 2004) |
| 78412 | July 10 | Birth | 1930 – Bruce Boa, Canadian-English actor (d. 2004) |
| 78413 | July 10 | Birth | 1930 – Susan Cummings, German-American actress |
| 78414 | July 10 | Birth | 1930 – Josephine Veasey, English soprano and actress |
| 78415 | July 10 | Birth | 1931 – Nick Adams, American actor and screenwriter (d. 1968) |
| 78416 | July 10 | Birth | 1931 – Jerry Herman, American composer and songwriter |
| 78417 | July 10 | Birth | 1931 – Julian May, American author |
| 78418 | July 10 | Birth | 1931 – Alice Munro, Canadian short story writer, Nobel Prize laureate |
| 78419 | July 10 | Birth | 1932 – Carlo Maria Abate, Italian race car driver |
| 78420 | July 10 | Birth | 1933 – Jan DeGaetani, American soprano (d. 1989) |