The Leleux surname
In the 2010 U.S. Census, 681 people carried this name — #33,499 among all U.S. surnames, about 1 in every 434,800 people counted. That is down 1% from 689 in 2000.
In France’s civil register
France’s register of deaths holds 904 people named Leleux.
26 of them were born outside France. Those born in France came from 49 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 625 people named Leleux 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.
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.
Nearby in the index
Surnames next to Leleux.
- Leitao 598 · U.S. census
- Leite 3,123 · U.S. census
- Leitner 4,010 · U.S. census
- Leitz 996 · U.S. census
- Leix 146 · U.S. census
- Lejeune 5,544 · U.S. census
- Lelievre 295 · U.S. census
- Lelli 341 · U.S. census
- Lelong 115 · U.S. census
- Leloup 152 · U.S. census
- Lemahieu 182 · U.S. census
- Lemaire 2,931 · U.S. census
When the index is not enough
This page says where Leleux 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.