The Thorn surname
In the 2000 U.S. Census, 9,776 people carried this name — #3,347 among all U.S. surnames, about 1 in every 27,600 people counted.
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In France’s civil register
France’s register of deaths holds 89 people named Thorn.
15 of them were born outside France. Those born in France came from 14 départements, most often Paris.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Switzerland’s population statistics
21 people named Thorn live in Switzerland.
They live in 5 of Switzerland’s 26 cantons, most of all in Basel-Stadt.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Thorn.
When the index is not enough
This page says where Thorn is.
A volume says what happened to it.
Every page in the index is free and stays free. The Heritage Volume is the long form: the full paper trail, the arms, the crossing — bound, and yours.