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
133,048	CIESIOLKA	127	Very Rare
133,048	CLAITT	127	Very Rare
133,048	CLASING	127	Very Rare
133,048	CLATT	127	Very Rare
133,048	COCONE	127	Very Rare
133,048	COLONNESE	127	Very Rare
133,048	CONLOW	127	Very Rare
133,048	CORAH	127	Very Rare
133,048	CORNICELLI	127	Very Rare
133,048	COROLLA	127	Very Rare
133,048	CORTELL	127	Very Rare
133,048	COSSEBOOM	127	Very Rare
133,048	COTTONHAM	127	Very Rare
133,048	COUNCILOR	127	Very Rare
133,048	COVOS	127	Very Rare