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
129,047	CARPO	132	Very Rare
129,047	CARRIN	132	Very Rare
129,047	CARSEN	132	Very Rare
129,047	CASTAIN	132	Very Rare
129,047	CASTANETO	132	Very Rare
129,047	CATELLA	132	Very Rare
129,047	CEMER	132	Very Rare
129,047	CHAAPEL	132	Very Rare
129,047	CHAPLICK	132	Very Rare
129,047	CHELLI	132	Very Rare
129,047	CHINIGO	132	Very Rare
129,047	CHOT	132	Very Rare
129,047	CHOULOUTE	132	Very Rare
129,047	CIAFFONE	132	Very Rare
129,047	CIKA	132	Very Rare