Surnames · O
Surname frequency based on U.S. Census Bureau surname data. Rank 1 is the most common surname in the imported Census file.
| Rank | Surname | Count | Rarity |
|---|---|---|---|
| 19,527 | OREA | 1,383 | — |
| 19,538 | OSEGUEDA | 1,382 | — |
| 19,581 | OJO | 1,378 | — |
| 19,602 | OGAN | 1,376 | — |
| 19,628 | OUZTS | 1,374 | — |
| 19,671 | ORENSTEIN | 1,370 | — |
| 19,671 | OVERFIELD | 1,370 | — |
| 19,703 | OSMOND | 1,367 | — |
| 19,814 | OFFICER | 1,357 | — |
| 19,865 | ORRICK | 1,353 | — |
| 19,945 | ODONOVAN | 1,345 | — |
| 19,997 | OHERN | 1,339 | — |
| 20,037 | ORTNER | 1,335 | — |
| 20,076 | ODEGAARD | 1,331 | — |
| 20,076 | OTTER | 1,331 | — |