| 104161 | September 12 | Birth | 1928 – Ernie Vandeweghe, Canadian-American basketball player and physician (d. 2014) |
| 104162 | September 12 | Birth | 1929 – Harvey Schmidt, American composer and illustrator |
| 104163 | September 12 | Birth | 1930 – Larry Austin, American composer and educator |
| 104164 | September 12 | Birth | 1931 – Ian Holm, English actor and singer |
| 104165 | September 12 | Birth | 1931 – Kristin Hunter, American author and educator (d. 2008) |
| 104166 | September 12 | Birth | 1931 – George Jones, American singer-songwriter and guitarist (d. 2013) |
| 104167 | September 12 | Birth | 1931 – Bill McKinney, American actor and singer (d. 2011) |
| 104168 | September 12 | Birth | 1932 – Atli Dam, Faroese engineer and politician, 5th Prime Minister of the Faroe Islands (d. 2005) |
| 104169 | September 12 | Birth | 1932 – Kim Hamilton, American actress (d. 2013) |
| 104170 | September 12 | Birth | 1933 – Tatiana Doronina, Russian actress |
| 104171 | September 12 | Birth | 1934 – Glenn Davis, American hurdler, sprinter, and football player (d. 2009) |
| 104172 | September 12 | Birth | 1934 – Jaegwon Kim, South Korean-American philosopher and academic |
| 104173 | September 12 | Birth | 1935 – Richard Hunt, American sculptor |
| 104174 | September 12 | Birth | 1937 – George Chuvalo, Canadian boxer |
| 104175 | September 12 | Birth | 1937 – Wes Hall, Barbadian cricketer and politician |
| 104176 | September 12 | Birth | 1938 – Claude Ruel, Canadian ice hockey player and coach (d. 2015) |
| 104177 | September 12 | Birth | 1938 – Tatiana Troyanos, American soprano and actress (d. 1993) |
| 104178 | September 12 | Birth | 1939 – Phillip Ramey, American pianist and composer |
| 104179 | September 12 | Birth | 1939 – Henry Waxman, American lawyer and politician |
| 104180 | September 12 | Birth | 1940 – Linda Gray, American actress, director, and producer |
| 104181 | September 12 | Birth | 1940 – Skip Hinnant, American actor |
| 104182 | September 12 | Birth | 1940 – Mickey Lolich, American baseball player |
| 104183 | September 12 | Birth | 1940 – Patrick Mower, English actor |
| 104184 | September 12 | Birth | 1940 – Stephen J. Solarz, American academic and politician (d. 2010) |
| 104185 | September 12 | Birth | 1941 – Heino Kurvet, Estonian canoe racer |
| 104186 | September 12 | Birth | 1942 – Michel Drucker, French journalist |
| 104187 | September 12 | Birth | 1942 – Tomás Marco, Spanish composer |
| 104188 | September 12 | Birth | 1942 – François Tavenas, Canadian engineer and academic (d. 2004) |
| 104189 | September 12 | Birth | 1943 – Maria Muldaur, American singer (Jerry Garcia Band and Even Dozen Jug Band) |
| 104190 | September 12 | Birth | 1943 – Michael Ondaatje, Sri Lankan-Canadian author and poet |