409 results
| Ono | 40 |
| Orgill | 40 |
| Osei | 40 |
| Oglesby | 39 |
| Odonovan | 39 |
| Orlandi | 39 |
| Obyrne | 37 |
| Oertel | 36 |
| Oday | 34 |
| Okada | 33 |
| Otero | 33 |
| Oshaughnessy | 32 |
| Outten | 32 |
| Ornelas | 31 |
| Oddo | 30 |
| Ohagan | 30 |
| Odeh | 28 |
| Otis | 28 |
| Ohanian | 28 |
| Ober | 27 |
| Oberle | 27 |
| Ota | 27 |
| Olivos | 27 |
| Orozco | 27 |
| Ordonez | 27 |
| Ostermann | 26 |
| Oka | 26 |
| Ogborn | 26 |
| Okey | 26 |
| Onishi | 26 |
| Olmos | 26 |
| Ohearn | 25 |
| Oppenheim | 25 |
| Odoherty | 25 |
| Osburn | 25 |
| Oaks | 25 |
| Orban | 25 |
| Oberman | 25 |
| Ortner | 25 |
| Outen | 25 |
| Ousley | 24 |
| Okamoto | 24 |
| Oak | 24 |
| Otsuka | 24 |
| Osment | 24 |
| Oda | 24 |
| Orsi | 24 |
| Oriley | 22 |
| Olejniczak | 22 |
| Orso | 22 |
| Overman | 21 |
| Overson | 21 |
| Oum | 21 |
| Okelly | 21 |
| Osten | 20 |
| Olin | 19 |
| Osterman | 19 |
| Oppenheimer | 19 |
| Onorato | 19 |
| Ortmann | 18 |
| Orsborn | 18 |
| Ottesen | 18 |
| Olivero | 18 |
| Orloff | 18 |
| Ost | 18 |
| Overland | 18 |
| Oboyle | 17 |
| Oros | 17 |
| Omori | 17 |
| Oneal | 17 |
| Oviedo | 17 |
| Orrego | 16 |
| Ostberg | 16 |
| Olivo | 16 |
| Olguin | 16 |