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 |
|---|---|---|---|
| RADIA | #118,185 | 147 | Very Rare |
| RADIX | #118,185 | 147 | Very Rare |
| RAMAIAH | #118,185 | 147 | Very Rare |
| RAMARIZ | #118,185 | 147 | Very Rare |
| RANDONE | #118,185 | 147 | Very Rare |
| RAPINI | #118,185 | 147 | Very Rare |
| RAUSH | #118,185 | 147 | Very Rare |
| REAGLES | #118,185 | 147 | Very Rare |
| REGULES | #118,185 | 147 | Very Rare |
| RELLO | #118,185 | 147 | Very Rare |
| RENFREE | #118,185 | 147 | Very Rare |
| REVELEZ | #118,185 | 147 | Very Rare |
| RICCHIUTO | #118,185 | 147 | Very Rare |
| RICHKO | #118,185 | 147 | Very Rare |
| RIFFERT | #118,185 | 147 | Very Rare |