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
113,155	CIOCHON	155	Very Rare
113,155	CLAERHOUT	155	Very Rare
113,155	CLOSSIN	155	Very Rare
113,155	CLOUDY	155	Very Rare
113,155	COBON	155	Very Rare
113,155	COERPER	155	Very Rare
113,155	COGNATO	155	Very Rare
113,155	COLKITT	155	Very Rare
113,155	COLNA	155	Very Rare
113,155	COMILANG	155	Very Rare
113,155	CONOUR	155	Very Rare
113,155	CONSBRUCK	155	Very Rare
113,155	CONTLA	155	Very Rare
113,155	COOSE	155	Very Rare
113,155	COVALESKI	155	Very Rare