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 |
|---|---|---|---|
| RIGTRUP | #120,187 | 144 | Very Rare |
| RISENMAY | #120,187 | 144 | Very Rare |
| RIVERARAMOS | #120,187 | 144 | Very Rare |
| ROBERSHAW | #120,187 | 144 | Very Rare |
| ROCHES | #120,187 | 144 | Very Rare |
| ROENICKE | #120,187 | 144 | Very Rare |
| ROITER | #120,187 | 144 | Very Rare |
| ROKACH | #120,187 | 144 | Very Rare |
| ROMAGNOLO | #120,187 | 144 | Very Rare |
| ROMMES | #120,187 | 144 | Very Rare |
| ROSAN | #120,187 | 144 | Very Rare |
| ROULLIER | #120,187 | 144 | Very Rare |
| ROYCHOUDHURY | #120,187 | 144 | Very Rare |
| RUKAB | #120,187 | 144 | Very Rare |
| RUML | #120,187 | 144 | Very Rare |