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 |
|---|---|---|---|
| RONKAINEN | #147,253 | 112 | Very Rare |
| ROODMAN | #147,253 | 112 | Very Rare |
| ROSAZZA | #147,253 | 112 | Very Rare |
| ROSKELLY | #147,253 | 112 | Very Rare |
| ROTHLEY | #147,253 | 112 | Very Rare |
| ROTTSCHAFER | #147,253 | 112 | Very Rare |
| RUNESTAD | #147,253 | 112 | Very Rare |
| RUSIEWICZ | #147,253 | 112 | Very Rare |
| RUZANSKI | #147,253 | 112 | Very Rare |
| SACKSTEIN | #147,253 | 112 | Very Rare |
| SADASIVAM | #147,253 | 112 | Very Rare |
| SADIN | #147,253 | 112 | Very Rare |
| SAGGAR | #147,253 | 112 | Very Rare |
| SAHLMAN | #147,253 | 112 | Very Rare |
| SAKELLARIS | #147,253 | 112 | Very Rare |