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 |
|---|---|---|---|
| ROBACZEWSKI | #142,108 | 117 | Very Rare |
| ROMBA | #142,108 | 117 | Very Rare |
| ROSSLEY | #142,108 | 117 | Very Rare |
| ROUM | #142,108 | 117 | Very Rare |
| ROUPAS | #142,108 | 117 | Very Rare |
| ROUSS | #142,108 | 117 | Very Rare |
| ROVEY | #142,108 | 117 | Very Rare |
| ROZENBAUM | #142,108 | 117 | Very Rare |
| RUAS | #142,108 | 117 | Very Rare |
| RUID | #142,108 | 117 | Very Rare |
| RYCHTARCZYK | #142,108 | 117 | Very Rare |
| RYKERT | #142,108 | 117 | Very Rare |
| RZENTKOWSKI | #142,108 | 117 | Very Rare |
| SAALWAECHTER | #142,108 | 117 | Very Rare |
| SACCARDI | #142,108 | 117 | Very Rare |