The Chaix surname
In the 2010 U.S. Census, 124 people carried this name — #135,593 among all U.S. surnames, about 1 in every 2,500,000 people counted. That is down 27% from 170 in 2000.
Where the name comes from
The origin of the Chaix surname
Most prevalent in Bouches-du-Rhône.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Chaix» (French), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In France’s civil register
France’s register of deaths holds 2,635 people named Chaix.
57 of them were born outside France. Those born in France came from 69 départements, most often Bouches-du-Rhône.
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 Argentina’s national register
At least 48 people named Chaix live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Entre Ríos.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In Switzerland’s population statistics
44 people named Chaix live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Geneva.
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.
Who carried it
People named Chaix,
with a public archive behind them.
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Napoléon Chaix 1807–1865 · printer
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Cyprien Chaix 1821–1899 · politician -
Dominique Chaix 1730–1799 · botanist
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Georges-Pierre-Paul-Joseph Chaix 1784–1834 · painter
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Georges-Pierre-Paul-Joseph Chaix 1784–1834 · painter
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Paul Chaix 1808–1901 · teacher
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Chaix.
- Chacon 27,982 · U.S. census
- Chaffin 9,782 · U.S. census
- Chagnon 1,943 · U.S. census
- Chaille 195 · U.S. census
- Chain 1,380 · U.S. census
- Chair 139 · U.S. census
- Chala 187 · U.S. census
- Chalabi 182 · U.S. census
- Chalas 401 · U.S. census
- Chale 187 · U.S. census
- Chalet 143 · U.S. census
- Chalifour 289 · U.S. census
When the index is not enough
This page says where Chaix 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.