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 |
|---|---|---|---|
| 10,082 | OLMSTED | 3,197 | — |
| 10,132 | OGBURN | 3,182 | — |
| 10,155 | OSHIRO | 3,177 | — |
| 10,191 | OLOUGHLIN | 3,162 | — |
| 10,250 | ORNDORFF | 3,145 | — |
| 10,268 | ORMAN | 3,139 | — |
| 10,352 | OTTINGER | 3,112 | — |
| 10,396 | ONOFRE | 3,099 | — |
| 10,505 | ORSINI | 3,055 | — |
| 10,626 | OCALLAGHAN | 3,014 | — |
| 10,751 | ODEA | 2,968 | — |
| 10,819 | OLDENBURG | 2,944 | — |
| 10,837 | OWUSU | 2,938 | — |
| 10,866 | OWSLEY | 2,932 | — |
| 10,983 | OFFUTT | 2,896 | — |