Rare U.S. surnames
Surname frequency based on U.S. Census Bureau surname data. Rank 1 is the most common surname in the imported Census file.
| Rank | Surname | Count | Rarity |
|---|---|---|---|
| 149,395 | CIAMILLO | 110 | Very Rare |
| 149,395 | CIANCIOTTA | 110 | Very Rare |
| 149,395 | CIHOCKI | 110 | Very Rare |
| 149,395 | CINGLE | 110 | Very Rare |
| 149,395 | CIRALDO | 110 | Very Rare |
| 149,395 | CLAUDER | 110 | Very Rare |
| 149,395 | CLOOKEY | 110 | Very Rare |
| 149,395 | CLOSTERMAN | 110 | Very Rare |
| 149,395 | CLOUM | 110 | Very Rare |
| 149,395 | COBUZZI | 110 | Very Rare |
| 149,395 | CODERO | 110 | Very Rare |
| 149,395 | COLLENTINE | 110 | Very Rare |
| 149,395 | COMITZ | 110 | Very Rare |
| 149,395 | CONSOLA | 110 | Very Rare |
| 149,395 | COPPICK | 110 | Very Rare |