The Chao surname
In the 2000 U.S. Census, 8,633 people carried this name — #3,769 among all U.S. surnames, about 1 in every 31,300 people counted.
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In France’s civil register
France’s register of deaths holds 57 people named Chao.
Most of them — 36 — were born outside France. Those born in France came from 5 départements, most often Finistère.
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
36 people named Chao live in Switzerland.
They live in 6 of Switzerland’s 26 cantons, most of all in Zurich.
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 Chao.
- Chaney 32,433 · U.S. census
- Chanez 238 · U.S. census
- Chang 69,756 · U.S. census
- Chanon 153 · U.S. census
- Chanson 114 · U.S. census
- Chantry 334 · U.S. census
- Chaon 105 · U.S. census
- Chap 471 · U.S. census
- Chapas 232 · U.S. census
- Chapdelaine 1,087 · U.S. census
- Chapel 2,235 · U.S. census
- Chapelle 213 · U.S. census
When the index is not enough
This page says where Chao 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.