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 |
|---|---|---|---|
| RUCOBA | #140,157 | 119 | Very Rare |
| RUDENICK | #140,157 | 119 | Very Rare |
| RUDO | #140,157 | 119 | Very Rare |
| RUIZRIVERA | #140,157 | 119 | Very Rare |
| RUTYNA | #140,157 | 119 | Very Rare |
| SAEVANG | #140,157 | 119 | Very Rare |
| SAGAPOLU | #140,157 | 119 | Very Rare |
| SALAR | #140,157 | 119 | Very Rare |
| SALCHOW | #140,157 | 119 | Very Rare |
| SAMMANN | #140,157 | 119 | Very Rare |
| SAMSAL | #140,157 | 119 | Very Rare |
| SANCHEZSOTO | #140,157 | 119 | Very Rare |
| SANDECKI | #140,157 | 119 | Very Rare |
| SANGL | #140,157 | 119 | Very Rare |
| SANGREN | #140,157 | 119 | Very Rare |