The Lesage surname
In the 2000 U.S. Census, 1,919 people carried this name — #14,321 among all U.S. surnames, about 1 in every 140,800 people counted.
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In France’s civil register
France’s register of deaths holds 8,313 people named Lesage.
97 of them were born outside France. Those born in France came from 86 départements, most often Nord.
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 764 people named Lesage 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 West Flanders.
Where it concentrates, on the mapWhere 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
44 people named Lesage live in Switzerland.
They live in 6 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 · names with fewer than 3 bearers in a canton are not published.
Nearby in the index
Surnames next to Lesage.
- Lerebours 144 · U.S. census
- Leriche 346 · U.S. census
- Lerner 7,580 · U.S. census
- Lerouge 169 · U.S. census
- Leroux 2,788 · U.S. census
- Leroy 7,579 · U.S. census
- Lesch 1,462 · U.S. census
- Lescher 308 · U.S. census
- Leser 528 · U.S. census
- Lesiak 537 · U.S. census
- Lesieur 533 · U.S. census
- Lesniak 2,541 · U.S. census
When the index is not enough
This page says where Lesage 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.