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 |
|---|---|---|---|
| ROSONE | #145,220 | 114 | Very Rare |
| ROTHEN | #145,220 | 114 | Very Rare |
| ROTROFF | #145,220 | 114 | Very Rare |
| RUCKDASCHEL | #145,220 | 114 | Very Rare |
| RUDNITSKI | #145,220 | 114 | Very Rare |
| RUILOBA | #145,220 | 114 | Very Rare |
| RUSCIN | #145,220 | 114 | Very Rare |
| RUYTER | #145,220 | 114 | Very Rare |
| RYZA | #145,220 | 114 | Very Rare |
| SABAPATHY | #145,220 | 114 | Very Rare |
| SABELLICO | #145,220 | 114 | Very Rare |
| SABOTTA | #145,220 | 114 | Very Rare |
| SAIEVA | #145,220 | 114 | Very Rare |
| SAINTONGE | #145,220 | 114 | Very Rare |
| SALEMA | #145,220 | 114 | Very Rare |