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 |
|---|---|---|---|
| 9,232 | ONEY | 3,528 | — |
| 9,320 | OYLER | 3,493 | — |
| 9,343 | OSTROM | 3,485 | — |
| 9,510 | OGILVIE | 3,418 | — |
| 9,551 | OBANDO | 3,404 | — |
| 9,667 | OLIVERI | 3,357 | — |
| 9,839 | OHALLORAN | 3,289 | — |
| 9,839 | OLIVIERI | 3,289 | — |
| 9,859 | OBOYLE | 3,281 | — |
| 9,919 | OSTERMAN | 3,256 | — |
| 9,932 | OLNEY | 3,248 | — |
| 9,940 | OSHAUGHNESSY | 3,246 | — |
| 10,041 | ORLOWSKI | 3,208 | — |
| 10,064 | OBRIAN | 3,203 | — |
| 10,079 | OMAN | 3,198 | — |