The Thouvenin surname
In the 2010 U.S. Census, 105 people carried this name — #154,907 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is down 1% from 106 in 2000.
In France’s civil register
France’s register of deaths holds 2,028 people named Thouvenin.
43 of them were born outside France. Those born in France came from 73 départements, most often Meurthe-et-Moselle.
Where it concentrates, on the mapWhere 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
29 people named Thouvenin live in Switzerland.
They live in 3 of Switzerland’s 26 cantons, most of all in Vaud.
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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Thouvenin.
When the index is not enough
This page says where Thouvenin 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.