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
114,424	RIBERIO	153	Very Rare
114,424	RIEM	153	Very Rare
114,424	RIFFENBURG	153	Very Rare
114,424	RINEHEART	153	Very Rare
114,424	RIUS	153	Very Rare
114,424	RIVORD	153	Very Rare
114,424	ROAKES	153	Very Rare
114,424	RODKIN	153	Very Rare
114,424	ROGLER	153	Very Rare
114,424	ROLNITZKY	153	Very Rare
114,424	RONGIONE	153	Very Rare
114,424	ROSSOL	153	Very Rare
114,424	ROTHRAUFF	153	Very Rare
114,424	ROUEN	153	Very Rare
114,424	ROYDS	153	Very Rare