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 |
|---|---|---|---|
| CIAVOLA | #131,379 | 129 | Very Rare |
| CICERCHIA | #131,379 | 129 | Very Rare |
| CINICOLA | #131,379 | 129 | Very Rare |
| CIOCH | #131,379 | 129 | Very Rare |
| CISTERNAS | #131,379 | 129 | Very Rare |
| COLLIEN | #131,379 | 129 | Very Rare |
| COLLINA | #131,379 | 129 | Very Rare |
| COMPERCHIO | #131,379 | 129 | Very Rare |
| CORGILL | #131,379 | 129 | Very Rare |
| COSLER | #131,379 | 129 | Very Rare |
| CRAPARO | #131,379 | 129 | Very Rare |
| CROAKE | #131,379 | 129 | Very Rare |
| CROTTI | #131,379 | 129 | Very Rare |
| CRUCET | #131,379 | 129 | Very Rare |
| CRUZADA | #131,379 | 129 | Very Rare |