The Lagneaux surname
In the 2010 U.S. Census, 139 people carried this name — #123,796 among all U.S. surnames, about 1 in every 2,000,000 people counted. That is down 7% from 149 in 2000.
In France’s civil register
France’s register of deaths holds 387 people named Lagneaux.
10 of them were born outside France. Those born in France came from 35 départements, most often Aisne.
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 141 people named Lagneaux 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 Argentina’s national register
At least 60 people named Lagneaux 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 Lagneaux,
with a public archive behind them.
-
Jean-Yves Lagneaux 1954– · politician
-
Joël Lagneaux 1956– · politician
Wikidata (CC0).
Nearby in the index
Surnames next to Lagneaux.
- Lagasse 2,823 · U.S. census
- Lage 2,026 · U.S. census
- Lager 1,329 · U.S. census
- Lages 143 · U.S. census
- Lagesse 446 · U.S. census
- Lagier 102 · U.S. census
- Lago 2,754 · U.S. census
- Lagoda 147 · U.S. census
- Lagon 177 · U.S. census
- Lagorio 299 · U.S. census
- Lagrand 377 · U.S. census
- Lagrange 2,574 · U.S. census
When the index is not enough
This page says where Lagneaux 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.