Page 1
| Name | Total | Name | Total | Name | Total | Name | Total | Name | Total |
|---|
| Osborne | 2 | Oeren, von | 1 | Osiander | 9 | Olson | 1 | Orleans, Of | 1 |
| Oakley, De | 2 | Olafsson of Sweden | 1 | Osanner | 2 | Oakes | 1 | OSTROGOTHIE, D' | 2 |
| Oxford | 3 | Oiliolla Caisfhiachlach | 1 | Odum | 1 | Oxner | 3 | Oilly, D' | 3 |
| Olba (Alda) | 1 | Oliolla Olchaoin | 1 | Ott | 1 | Overton | 1 | OB MAREDUDD | 1 |
| Ossory, of | 1 | Obotrites, the | 1 | Oliver | 24 | Oswald | 17 | OLAFSON, King Of Dublin | 1 |
| Ottarsson | 1 | Olafsdottir of Sweden | 1 | Opdyck | 2 | Owings | 4 | Owain, Prince Of Deheubarth, Ab | 1 |
| Orboda | 1 | Ofeigsson | 1 | Orleans, d' | 1 | Owens | 3 | Old King Cole | 1 |
| Olafsson | 3 | Omer, St. | 1 | Odo | 1 | Orr | 1 | Orgaill, Of | 1 |
| Oilly Constable of Oxford Castle, de | 1 | Ostmark Princess, von | 1 | Old, the | 3 | Owen, Sr. | 1 | Ohningen, Von | 1 |
| Oilly, de | 1 | Otheus | 1 | Ohningen, of | 2 | Owen | 5 | Oiliolla, Of | 1 |
| Orléans, de | 2 | Octavia | 1 | Oplaendinge | 1 | Otterburg | 1 | Ojemann | 1 |
| Orkney, of | 1 | Octavius Senator | 1 | Other | 1 | Owen II | 1 | Oxley | 1 |
| Orcodes, of | 1 | Octavius citizen | 1 | Oviedo, de | 1 | Ously | 1 | Osburga | 1 |
| Oesterreich, von | 1 | Octavius Tribune | 1 | Orlamunda, of | 1 | Overstreet | 1 | - | - |
| Omri | 1 | Octavius Knight | 1 | Ostmark, the | 1 | Oates | 2 | - | - |
| Oeningen, von | 2 | Octavius Rufus | 1 | Ordonez de Leon | 1 | Oneal | 2 | - | - |
| Olafsdottir | 1 | Otto I | 1 | Odom | 6 | OUTRE-MER, King Of Franks, D' | 1 | - | - |
