554 results
| Osmond | 29 |
| Owers | 28 |
| Ormandy | 28 |
| Obrien | 28 |
| Oconnor | 27 |
| Openshaw | 26 |
| Ottley | 26 |
| Ottaway | 24 |
| Orsborn | 24 |
| Orlando | 24 |
| Oborn | 23 |
| Ormiston | 23 |
| Otway | 22 |
| Overall | 22 |
| Otter | 21 |
| Oyster | 20 |
| Oughton | 20 |
| Otten | 20 |
| Organ | 20 |
| Ovenden | 19 |
| Outram | 18 |
| Overmeyer | 18 |
| Olliff | 18 |
| Olney | 18 |
| Oakes | 18 |
| Ongley | 17 |
| Osler | 17 |
| Ott | 17 |
| Oakden | 16 |
| Ovens | 16 |
| Otis | 16 |
| Omara | 16 |
| Osbourne | 16 |
| Osten | 15 |
| Ormerod | 15 |
| Obermeyer | 15 |
| Ore | 15 |
| Oats | 14 |
| Oregon | 14 |
| Osgood | 14 |
| Oldfield | 14 |
| O'hare | 14 |
| Oppel | 13 |
| Otte | 13 |
| Orrell | 13 |
| O'donovan | 13 |
| O'conner | 13 |
| Only | 12 |
| Ola | 12 |
| Oconnell | 12 |
| Otton | 11 |
| Odlum | 11 |
| Oskam | 11 |
| Oven | 11 |
| Olga | 11 |
| Ortega | 11 |
| Oleary | 11 |
| Orpen | 10 |
| Owl | 10 |
| Oase | 10 |
| Olympia | 10 |
| Olivetti | 10 |
| Opel | 10 |
| Osment | 9 |
| Oostendorp | 9 |
| Odey | 9 |
| Ockert | 9 |
| Oppelt | 9 |
| Officer | 9 |
| Ostler | 9 |
| Ollivier | 8 |
| Ormonde | 8 |
| Obery | 8 |
| Osner | 8 |
| Oke | 8 |