Alphabetical Author Index. Click a date to go to the Born (or Died) Today page for that author.
"??/??" doesn't go anywhere. If you can supply any dates for any of these people... Drop mister level a line!
| Name | Occupation | Born | Died |
| O'Brien, Conan | US tv person | 04/18/1963 | |
| O'Brien, Edna | Irish writer | 12/15/1932 | |
| O'Brien, Flann | Irish writer | 10/05/1911 | 04/01/1966 |
| O'Brien, Margaret | US actor | 01/15/1937 | |
| O'Casey, Sean | Irish writer | 03/30/1880 | 09/18/1964 |
| O'Connor, Donald | US entertainer | 08/28/1925 | 09/27/2003 |
| O'Connor, Flannery | Irish writer | 03/25/1925 | 08/03/1964 |
| O'Connor, Sandra Day | US Supreme Court | 03/26/1930 | |
| O'Connor, Sinead | Irish singer | 12/08/1966 | |
| O'Donnell, Chris | US actor | 06/26/1970 | |
| O'Donnell, Rosie | US actor | 03/21/1962 | |
| O'Donoghue, Michael | US writer actor | 01/05/1940 | 11/08/1994 |
| O'Dowd, Boy George | English singer | 06/14/1961 | |
| O'Hair, Madalyn Murray | US atheist | 04/13/1919 | ??/??/1995 |
| O'Hara, John | US writer | 01/31/1905 | 04/11/1970 |
| O'Hartigan, Margaret Deirdre | US? | ||
| O'Keefe, John | ??/??/???? | ||
| O'Keeffe, Georgia | US artist | 11/15/1887 | 03/06/1986 |
| O'Malley, Austin | US humorist | 10/01/1858 | ??/??/1932 |
| O'Neal, Alexander | US singer | 11/14/1953 | |
| O'Neal, Shaquille | US basketball player | 03/06/1972 | |
| O'Neill, Eugene | US writer | 10/16/1888 | 11/27/1953 |
| O'Neill, Thomas P. "Tip" | US House Speaker | 12/09/1912 | 01/05/1994 |
| O'Rourke, P. J. | US writer | 11/14/1947 | |
| O'Sullivan, Maureen ("Jane") | US actor | 05/17/1911 | 06/23/1998 |
| O'Tolstoy, Lee | ??/??/???? | ||
| Oates, John | US singer | 04/07/1949 | |
| Oates, Joyce Carol | US writer | 06/16/1938 | |
| Oates, Lawrence Edward Grace | English explorer | 03/17/1880 | 03/17/1912 |
| Odets, Clifford | US writer | 07/18/1906 | 08/18/1963 |
| Ogden, Howard | ??/??/???? | ||
| Ogilvy, David | English ad exec | 06/23/1911 | 07/21/1999 |
| Oh, Sandra | Korean-Canad actor | 01/01/1971 | |
| Oldman, Gary | English actor | 03/21/1958 | |
| Olinghouse, Lane | ??/??/???? | ||
| Oliphant, Margaret | Scottish writer | 04/04/1828 | 06/25/1897 |
| Oliver, Freddie | ??/??/???? | ||
| Oliver, Gene | US baseball player | 03/22/1935 | |
| Olivier, Sir Laurence | English movie actor | 05/22/1907 | 07/11/1989 |
| Olsen, Tillie | US writer | 01/14/1912 | |
| Olson, Geoff | ??/??/???? | ||
| Olson, Ken | US DEC founder | 02/20/1926 | |
| Onassis, Aristotle | Greek zillionaire | 01/15/1906 | 03/15/1975 |
| Onassis, Christina | Greek rich girl | 12/11/1950 | 11/19/1988 |
| Ono, Yoko | Japanese wife | 02/18/1933 | |
| Oppenheimer, J. Robert | US science | 04/22/1904 | 02/18/1967 |
| Orben, Robert | US comic writer | 03/04/1927 | |
| Orbison, Roy | US music singer | 04/23/1936 | 12/06/1988 |
| Ordover, Al | ??/??/???? | ||
| Orton, Joe | English writer | 01/01/1903 | 08/09/1967 |
| Orwell, George | English writer | 06/25/1903 | 01/21/1950 |
| Osborne, John | English playwright | 12/12/1929 | 12/24/1994 |
| Osbourne, Kelly | English daughter of musician | 10/27/1984 | |
| Osbourne, Ozzy | English singer | 12/03/1948 | |
| Osgood, Charles | US telejournalist | 01/08/1933 | |
| Osler, Sir William | Canadian physician | 07/11/1849 | 12/29/1919 |
| Osment, Haley Joel | US actor | 04/10/1988 | |
| Osmond, Donny | US singer | 12/09/1957 | |
| Osmond, Marie | US singer | 10/13/1959 | |
| Osnato, Rosemary | ??/??/???? | ||
| Ostler, Scott | US sportswriter | 10/02/???? | |
| Otway, Thomas | English writer | 03/03/1652 | 04/14/1685 |
| Overbury, Sir Thomas | English writer | 06/18/1581 | 09/15/1613 |
| Ovid, | Italian writer | 03/20/0043 | ??/??/0017 |
| Owen, Richard | English zoologist | 07/20/1804 | 12/18/1892 |
| Owens, Terrell | US football player | 12/07/1973 | |
| Ozark, Danny | US Phillies' manager | ??/??/???? |