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 |
|---|---|---|---|
| 795 | ODONNELL | 43,460 | — |
| 961 | OCONNELL | 36,194 | — |
| 996 | ODOM | 35,020 | — |
| 1,078 | OSBORN | 32,439 | — |
| 1,117 | ODELL | 31,349 | — |
| 1,199 | OSORIO | 29,482 | — |
| 1,220 | ONEIL | 28,949 | — |
| 1,275 | OLVERA | 27,551 | — |
| 1,319 | ORELLANA | 26,651 | — |
| 1,373 | OTT | 25,738 | — |
| 1,374 | OCAMPO | 25,720 | — |
| 1,490 | OLIVARES | 23,982 | — |
| 1,568 | ORNELAS | 22,969 | — |
| 1,587 | OTTO | 22,558 | — |
| 1,607 | OLEARY | 22,329 | — |