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
136,449	CARRABINO	123	Very Rare
136,449	CASERIO	123	Very Rare
136,449	CASSELLIUS	123	Very Rare
136,449	CASTANAZA	123	Very Rare
136,449	CASTILHO	123	Very Rare
136,449	CASTOIRE	123	Very Rare
136,449	CASTORA	123	Very Rare
136,449	CAYAS	123	Very Rare
136,449	CERNANSKY	123	Very Rare
136,449	CERVETTI	123	Very Rare
136,449	CHAMAGUA	123	Very Rare
136,449	CHANSLOR	123	Very Rare
136,449	CHEESEBREW	123	Very Rare
136,449	CHELLMAN	123	Very Rare
136,449	CHINITZ	123	Very Rare