The Francillon surname
In the 2010 U.S. Census, 268 people carried this name — #72,568 among all U.S. surnames, about 1 in every 1,111,100 people counted. That is up 50% from 179 in 2000.
In France’s civil register
France’s register of deaths holds 253 people named Francillon.
7 of them were born outside France. Those born in France came from 40 départements, most often Haute-Vienne.
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
35 people named Francillon live in Switzerland.
They live in 2 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.
Who carried it
People named Francillon,
with a public archive behind them.
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Ernest Francillon 1834–1900 · politician -
Timothée Francillon d. 1829 · art collector
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John Francillon 1744–1816 · entomologist
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S. A. Francillon 1785–1870 · painter
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S. A. Francillon 1785–1870 · painter
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Thomas Francillon 1792– · naval officer
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Francillon.
- Franch 218 · U.S. census
- Franchetti 376 · U.S. census
- Franchi 1,263 · U.S. census
- Franchini 633 · U.S. census
- Franchino 463 · U.S. census
- Francia 1,205 · U.S. census
- Francini 213 · U.S. census
- Francioni 184 · U.S. census
- Francis 78,327 · U.S. census
- Francisco 24,095 · U.S. census
- Francisque 173 · U.S. census
- Franck 3,838 · U.S. census
When the index is not enough
This page says where Francillon 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.