The Billon surname
In the 2010 U.S. Census, 143 people carried this name — #120,901 among all U.S. surnames, about 1 in every 2,000,000 people counted. That is down 7% from 153 in 2000.
In France’s civil register
France’s register of deaths holds 3,708 people named Billon.
34 of them were born outside France. Those born in France came from 90 départements, most often Vendée.
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 Belgium’s population register
At least 46 people named Billon 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 Hainaut.
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.
In Switzerland’s population statistics
24 people named Billon live in Switzerland.
They live in 2 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 Billon,
with a public archive behind them.
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Pierre Billon 1645–1701 · architect
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Jean-Michel Billon 1705–1778 · architect
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Louis Michel Rieul Billon 1750–1789 · watchmaker
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Claudius Billon 1896–1944 · military personnel
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Pierre Billon 1901–1981 · screenwriter
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Jean Billon 1913–1995 · illustrator
Wikidata (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Billon.
- Billiet 161 · U.S. census
- Billig 790 · U.S. census
- Billing 1,085 · U.S. census
- Billion 125 · U.S. census
- Billiot 3,272 · U.S. census
- Billo 189 · U.S. census
- Billot 221 · U.S. census
- Billotte 344 · U.S. census
- Billy 3,621 · U.S. census
- Bilski 1,222 · U.S. census
- Bily 437 · U.S. census
- Bilz 282 · U.S. census
When the index is not enough
This page says where Billon 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.