Browse Alphabetically: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| Name | Born | Died | Floruit | ||
| O'GRADY, DUDLEY V. | - | - | 20c1 | - | - |
| O'GRADY, PATRICK C. | 1909 | 1994 | 20c2 | 20c3 | 20c4 |
| O'HAGAN, JOHN L. | - | - | 20c2 | 20c3 | - |
| O'HALLORAN, WILLIAM | - | 1904 | 20c1 | ||
| O'HANLON, J.F. | - | - | 20c1 | - | - |
| O'HANLON, JOHN | - | - | 20c1 | - | - |
| O'HANLON, JOHN LESLIE [1] | 1824ca | 1904 | 19c4 | 20c1 | - |
| O'HANLON, JOHN LESLIE [2] | 1856/57 | 1943 | 20c1 | 20c2 | |
| O'HANLON, VINCENT HENRY | - | - | 20c1 | 20c2 | - |
| O'HARA, DONALD JOHN | 1873/74 | 1936 | 20c1 | 20c2 | - |
| O'HARA, HENRY | - | - | 20c1 | - | - |
| O'HARA, ROBERT [1]* | - | - | 19c1 | - | - |
| O'HARA, ROBERT [2]* | - | - | 19C2 | - | - |
| O'HARA, THOMAS | 1892 | 1972 | 20c1 | 20c2 | 20c3 |