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 |
|---|---|---|---|
| BYS | #131,379 | 129 | Very Rare |
| CABARRUS | #131,379 | 129 | Very Rare |
| CADIMA | #131,379 | 129 | Very Rare |
| CAJIAO | #131,379 | 129 | Very Rare |
| CALIGUIRI | #131,379 | 129 | Very Rare |
| CAMARO | #131,379 | 129 | Very Rare |
| CAMPASANO | #131,379 | 129 | Very Rare |
| CANARES | #131,379 | 129 | Very Rare |
| CANDOW | #131,379 | 129 | Very Rare |
| CANILLAS | #131,379 | 129 | Very Rare |
| CARACCIA | #131,379 | 129 | Very Rare |
| CARDANI | #131,379 | 129 | Very Rare |
| CARETTO | #131,379 | 129 | Very Rare |
| CARNIGLIA | #131,379 | 129 | Very Rare |
| CARSTAIRS | #131,379 | 129 | Very Rare |