The Lafosse surname
In the 2010 U.S. Census, 625 people carried this name — #35,912 among all U.S. surnames, about 1 in every 476,200 people counted. That is up 11% from 564 in 2000.
In France’s civil register
France’s register of deaths holds 1,675 people named Lafosse.
22 of them were born outside France. Those born in France came from 77 départements, most often Paris.
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 242 people named Lafosse 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 Limburg.
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 Argentina’s national register
At least 44 people named Lafosse live in Argentina.
RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Buenos Aires Province.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
Who carried it
People named Lafosse,
with a public archive behind them.
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Philippe-Etienne Lafosse 1738–1820 · veterinarian -
Georges Touchard-Lafosse 1780–1847 · writer -
Étienne-Guillaume Lafosse 1699–1765 · veterinarian
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Pierre-Jacques-Samuel Chatry-Lafosse 1737–1814 · politician
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Jean Lafosse 1745–1820 · politician
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Pierre Partarieu-Lafosse 1756–1853 · politician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Lafosse.
- Laforce 1,584 · U.S. census
- Lafore 220 · U.S. census
- Laforest 1,977 · U.S. census
- Laforet 198 · U.S. census
- Laforge 2,231 · U.S. census
- Lafortune 1,574 · U.S. census
- Lafoy 450 · U.S. census
- Lafrance 5,574 · U.S. census
- Lafuente 911 · U.S. census
- Laga 271 · U.S. census
- Lagana 1,182 · U.S. census
- Lagard 147 · U.S. census
When the index is not enough
This page says where Lafosse 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.