The Gonthier surname
In the 2010 U.S. Census, 376 people carried this name — #54,752 among all U.S. surnames, about 1 in every 769,200 people counted. That is up 6% from 356 in 2000.
In France’s civil register
France’s register of deaths holds 2,559 people named Gonthier.
56 of them were born outside France. Those born in France came from 78 départements, most often La Réunion.
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
226 people named Gonthier live in Switzerland.
They live in 7 of Switzerland’s 26 cantons, most of all in Vaud.
Where it concentrates, on the mapWhere 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.
In Belgium’s population register
At least 28 people named Gonthier live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Liège.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Gonthier.
- Gonda 1,086 · U.S. census
- Gondal 262 · U.S. census
- Gonella 168 · U.S. census
- Gonet 428 · U.S. census
- Gongora 3,205 · U.S. census
- Goni 359 · U.S. census
- Gonzales 214,758 · U.S. census
- Gonzalez 841,025 · U.S. census
- Gonzalo 592 · U.S. census
- Gonzalves 199 · U.S. census
- Goossens 558 · U.S. census
- Gora 953 · U.S. census
When the index is not enough
This page says where Gonthier 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.