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 |
|---|---|---|---|
| RIVOTA | #141,140 | 118 | Very Rare |
| ROCAP | #141,140 | 118 | Very Rare |
| RODENCAL | #141,140 | 118 | Very Rare |
| RODENHIZER | #141,140 | 118 | Very Rare |
| ROETTGEN | #141,140 | 118 | Very Rare |
| ROLANDELLI | #141,140 | 118 | Very Rare |
| ROMAGNANO | #141,140 | 118 | Very Rare |
| ROMBAOA | #141,140 | 118 | Very Rare |
| ROMME | #141,140 | 118 | Very Rare |
| ROSANIO | #141,140 | 118 | Very Rare |
| ROSBRUGH | #141,140 | 118 | Very Rare |
| ROTHAN | #141,140 | 118 | Very Rare |
| RUDOFF | #141,140 | 118 | Very Rare |
| RUETTIGER | #141,140 | 118 | Very Rare |
| RUFFIER | #141,140 | 118 | Very Rare |