| 123991 | October 30 | Birth | 1939 – Harvey Goldstein, English statistician and academic |
| 123992 | October 30 | Birth | 1939 – Leland H. Hartwell, American biologist and academic, Nobel Prize laureate |
| 123993 | October 30 | Birth | 1939 – Eddie Holland, American singer-songwriter and producer |
| 123994 | October 30 | Birth | 1939 – Grace Slick, American singer-songwriter and model (Jefferson Airplane, Jefferson Starship, and The Great Society) |
| 123995 | October 30 | Birth | 1940 – Ed Lauter, American actor (d. 2013) |
| 123996 | October 30 | Birth | 1941 – Marcel Berlins, French-English lawyer, journalist, and academic |
| 123997 | October 30 | Birth | 1941 – Aleksandr Dulichenko, Russian-Estonian linguist and academic |
| 123998 | October 30 | Birth | 1941 – Theodor W. Hänsch, German physicist and academic, Nobel Prize laureate |
| 123999 | October 30 | Birth | 1941 – Otis Williams, American singer-songwriter and producer (The Temptations) |
| 124000 | October 30 | Birth | 1941 – Bob Wilson, English footballer and sportscaster |
| 124001 | October 30 | Birth | 1942 – Sven-David Sandström, Swedish composer and historian |
| 124002 | October 30 | Birth | 1943 – Paul Claes, Belgian poet and translator |
| 124003 | October 30 | Birth | 1943 – Joanna Shimkus, Canadian-American actress |
| 124004 | October 30 | Birth | 1943 – David Triesman, Baron Triesman, English union leader and politician |
| 124005 | October 30 | Birth | 1944 – Ahmed Chalabi, Iraqi politician (d. 2015) |
| 124006 | October 30 | Birth | 1945 – Henry Winkler, American actor, director, and producer |
| 124007 | October 30 | Birth | 1946 – Robert L. Gibson, American captain, pilot, and astronaut |
| 124008 | October 30 | Birth | 1946 – Anthony Shorrocks, English economist, author, and academic |
| 124009 | October 30 | Birth | 1946 – Chris Slade, Welsh drummer (Asia, Manfred Mann's Earth Band, AC/DC, and Uriah Heep) |
| 124010 | October 30 | Birth | 1947 – Glenn Andreotta, American soldier (d. 1968) |
| 124011 | October 30 | Birth | 1947 – Timothy B. Schmit, American singer-songwriter and bass player (Eagles and Poco) |
| 124012 | October 30 | Birth | 1947 – Herschel Weingrod, American screenwriter and producer |
| 124013 | October 30 | Birth | 1948 – Richard Alston, English dancer and choreographer |
| 124014 | October 30 | Birth | 1948 – Rusty Goffe, English actor |
| 124015 | October 30 | Birth | 1948 – Garry McDonald, Australian actor and screenwriter |
| 124016 | October 30 | Birth | 1951 – Tony Bettenhausen, Jr., American race car driver and businessman (d. 2000) |
| 124017 | October 30 | Birth | 1951 – Trilok Gurtu, Indian drummer and songwriter (Oregon and Tabla Beat Science) |
| 124018 | October 30 | Birth | 1951 – Harry Hamlin, American actor |
| 124019 | October 30 | Birth | 1951 – Poncho Sanchez, American singer and conga player |
| 124020 | October 30 | Birth | 1953 – Pete Hoekstra, Dutch-American lawyer and politician |