100.000+ autores registrados con O · página 74
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| Robert James O'Brien | — |
| Robert Joseph O'Brien | 1965 | — |
| Robert (Kung Fu Bob) O'Brien | — |
| Robert L. O'Brien | — |
| Robert Lincoln O'Brien | 1865–1955 | — |
| Robert M. O'Brien | — |
| Robert Malcolm O'Brien | — |
| Robert Michael O'Brien | — |
| Robert O'Brien Anne O'Brien | — |
| Robert Perry O'Brien | 1949 | — |
| Robert R. O'Brien | — |
| Robert T. O'Brien | — |
| Robert V. O'Brien | — |
| Robert Viking O'Brien | 1958 | — |
| Robert W O'Brien | — |
| Robert W. O'Brien | 1907 | — |
| Robert W. O'Brien | — |
| Robert William O'Brien | 1907 | — |
| Robert Yorke O'Brien | — |
| Roberta O'Brien | — |
| Roberta Luther O'Brien | — |
| Roberta M. O'Brien | — |
| Robin O'Brien | — |
| Robin L. O'Brien | — |
| Robyn O'Brien | — |
| Roderick O'Brien | — |
| Roger O'Brien | — |
| Rolan O'Brien | — |
| Romaeus O'Brien | — |
| Romaeus W. O'Brien | — |
| Romaeus William O'Brien | 1916 | — |
| Romulus O'Brien | — |
| Ronald Arthur O'Brien | — |
| Ronald F. O'Brien | — |
| Ronan O'brien | — |
| Ronan O'Brien | — |
| Rónán O'Brien | — |
| Rory O'Brien | — |
| Rory J. O'Brien | — |
| Rosa Dalziel O'Brien | 1902 | — |