Surname directory
Browse U.S. surnames with frequency ranks from Census data. 167,408 surnames loaded from the 2000 and 2010 Census surname files.
| Surname | Rank | Count (2010) | Rarity |
|---|---|---|---|
| ROMANUS | #121,590 | 142 | Very Rare |
| ROMEROROMERO | #121,590 | 142 | Very Rare |
| ROMITI | #121,590 | 142 | Very Rare |
| RONGE | #121,590 | 142 | Very Rare |
| ROTTET | #121,590 | 142 | Very Rare |
| ROUTTE | #121,590 | 142 | Very Rare |
| ROYVAL | #121,590 | 142 | Very Rare |
| RUSCETTA | #121,590 | 142 | Very Rare |
| RYES | #121,590 | 142 | Very Rare |
| SABALZA | #121,590 | 142 | Very Rare |
| SADEWASSER | #121,590 | 142 | Very Rare |
| SAFRIET | #121,590 | 142 | Very Rare |
| SAHID | #121,590 | 142 | Very Rare |
| SAKE | #121,590 | 142 | Very Rare |
| SALCHERT | #121,590 | 142 | Very Rare |