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 |
|---|---|---|---|
| ROPSON | #151,532 | 108 | Very Rare |
| ROSENDE | #151,532 | 108 | Very Rare |
| ROTHSCHILLER | #151,532 | 108 | Very Rare |
| ROZAN | #151,532 | 108 | Very Rare |
| RUEHR | #151,532 | 108 | Very Rare |
| RUFNER | #151,532 | 108 | Very Rare |
| RUMANCIK | #151,532 | 108 | Very Rare |
| RUSNIAK | #151,532 | 108 | Very Rare |
| RUTHART | #151,532 | 108 | Very Rare |
| RYCHWALSKI | #151,532 | 108 | Very Rare |
| RZECZKOWSKI | #151,532 | 108 | Very Rare |
| SAAHIR | #151,532 | 108 | Very Rare |
| SABASTIAN | #151,532 | 108 | Very Rare |
| SAFADY | #151,532 | 108 | Very Rare |
| SALCINES | #151,532 | 108 | Very Rare |