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 |
|---|---|---|---|
| RIOU | #143,149 | 116 | Very Rare |
| RISKUS | #143,149 | 116 | Very Rare |
| RISTEVSKI | #143,149 | 116 | Very Rare |
| RISTY | #143,149 | 116 | Very Rare |
| ROATE | #143,149 | 116 | Very Rare |
| ROBERTIELLO | #143,149 | 116 | Very Rare |
| ROCKLEIN | #143,149 | 116 | Very Rare |
| RODRIGUEC | #143,149 | 116 | Very Rare |
| ROEDEMA | #143,149 | 116 | Very Rare |
| ROKOSKY | #143,149 | 116 | Very Rare |
| ROLLESTON | #143,149 | 116 | Very Rare |
| ROODHOUSE | #143,149 | 116 | Very Rare |
| ROSENHAUS | #143,149 | 116 | Very Rare |
| ROSETTO | #143,149 | 116 | Very Rare |
| ROTHLEIN | #143,149 | 116 | Very Rare |