The Lefrancois surname
In the 2000 U.S. Census, 771 people carried this name — #28,994 among all U.S. surnames, about 1 in every 344,800 people counted.
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In France’s civil register
France’s register of deaths holds 4,488 people named Lefrancois.
22 of them were born outside France. Those born in France came from 75 départements, most often Seine-Maritime.
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 Lefrancois 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 · names with fewer than 3 bearers in a canton are not published.
In Belgium’s population register
At least 31 people named Lefrancois 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 Lefrancois.
- Lefebvre 5,991 · U.S. census
- Lefever 3,331 · U.S. census
- Lefevere 161 · U.S. census
- Lefevre 5,179 · U.S. census
- Lefort 1,173 · U.S. census
- Lefranc 190 · U.S. census
- Lega 192 · U.S. census
- Legagneur 176 · U.S. census
- Legal 165 · U.S. census
- Legall 332 · U.S. census
- Legard 405 · U.S. census
- Legare 1,210 · U.S. census
When the index is not enough
This page says where Lefrancois 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.