What is the rarest last name in the US?

Written by Editorial Team | Last Updated: August 2026

Statistical evaluations of United States demographic records indicate that over a third of all recorded surnames are shared by fewer than ten people nationwide. Surnames representing hyper-rare foreign transliterations, indigenous tribal names with few surviving descendants, or accidental typographical errors preserved permanently on birth and immigration records represent the rarest categories, with thousands of unique names belonging to only one living American citizen today.

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