| 54421 | May.12 | Birth | 1938 – Millie Perkins, American actress |
| 54422 | May.12 | Birth | 1939 – Cyril Chantler, English pediatrician and academic |
| 54423 | May.12 | Birth | 1939 – Jalal Dabagh, Kurdish journalist and politician |
| 54424 | May.12 | Birth | 1939 – Miltiadis Evert, Greek minister and politician, 69th Mayor of Athens (d. 2011) |
| 54425 | May.12 | Birth | 1939 – Reg Gasnier, Australian rugby player and coach (d. 2014) |
| 54426 | May.12 | Birth | 1939 – Ron Ziegler, American politician, White House Press Secretary (d. 2003) |
| 54427 | May.12 | Birth | 1940 – Dominic Cadbury, English businessman and academic |
| 54428 | May.12 | Birth | 1940 – Norman Whitfield, American songwriter and producer (d. 2008) |
| 54429 | May.12 | Birth | 1942 – Ian Dury, English singer-songwriter and actor (The Blockheads and Kilburn and the High Roads) (d. 2000) |
| 54430 | May.12 | Birth | 1942 – Michel Fugain, French singer-songwriter |
| 54431 | May.12 | Birth | 1942 – Billy Swan, American singer-songwriter |
| 54432 | May.12 | Birth | 1942 – Dragoljub Velimirović, Serbian chess player and theoretician (d. 2014) |
| 54433 | May.12 | Birth | 1943 – Linda Dano, American actress and author |
| 54434 | May.12 | Birth | 1944 – Chris Patten, English academic and politician, 28th Governor of Hong Kong |
| 54435 | May.12 | Birth | 1945 – Alan Ball, Jr., English footballer and manager (d. 2007) |
| 54436 | May.12 | Birth | 1945 – Ian McLagan, English-American singer-songwriter and keyboard player (Small Faces, Faces, and The New Barbarians) (d. 2014) |
| 54437 | May.12 | Birth | 1945 – Patrick Ricard, French businessman (d. 2012) |
| 54438 | May.12 | Birth | 1946 – Daniel Libeskind, American architect, designed the Imperial War Museum North and Jewish Museum |
| 54439 | May.12 | Birth | 1947 – Michael Ignatieff, Canadian journalist and politician |
| 54440 | May.12 | Birth | 1947 – Micheline Lanctôt, Canadian actress, director, and screenwriter |
| 54441 | May.12 | Birth | 1948 – Dave Heineman, American captain and politician, 39th Governor of Nebraska |
| 54442 | May.12 | Birth | 1948 – Richard Riehle, American actor |
| 54443 | May.12 | Birth | 1948 – Steve Winwood, English singer-songwriter and guitarist (The Spencer Davis Group, Traffic, and Blind Faith) |
| 54444 | May.12 | Birth | 1949 – Ross Bleckner, American painter, philanthropist, and activist |
| 54445 | May.12 | Birth | 1950 – Bruce Boxleitner, American actor and author |
| 54446 | May.12 | Birth | 1950 – Gabriel Byrne, Irish actor, director, producer, and screenwriter |
| 54447 | May.12 | Birth | 1950 – Helena Kennedy, Baroness Kennedy of The Shaws, Scottish lawyer, academic, and politician |
| 54448 | May.12 | Birth | 1950 – Billy Squier, American singer-songwriter and guitarist |
| 54449 | May.12 | Birth | 1950 – Renate Stecher, German sprinter |
| 54450 | May.12 | Birth | 1951 – George Karl, American basketball player and coach |