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 |
|---|---|---|---|
| 133,048 | OLAFSEN | 127 | — |
| 133,048 | OLSAN | 127 | — |
| 133,048 | ORASCO | 127 | — |
| 133,048 | ORTEZA | 127 | — |
| 133,048 | ORTGIES | 127 | — |
| 133,048 | ORTISI | 127 | — |
| 133,048 | ORTO | 127 | — |
| 133,048 | OSGA | 127 | — |
| 133,048 | OSTINE | 127 | — |
| 133,048 | OVERHULSER | 127 | — |
| 133,863 | OASTER | 126 | — |
| 133,863 | OBERMAIER | 126 | — |
| 133,863 | OBERSHAW | 126 | — |
| 133,863 | OBETZ | 126 | — |
| 133,863 | OBRANOVICH | 126 | — |