The Duchateau surname
In the 2000 U.S. Census, 355 people carried this name — #54,385 among all U.S. surnames, about 1 in every 769,200 people counted.
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In France’s civil register
France’s register of deaths holds 1,335 people named Duchateau.
33 of them were born outside France. Those born in France came from 61 départements, most often Pas-de-Calais.
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 1,030 people named Duchateau 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.
Nearby in the index
Surnames next to Duchateau.
- Ducay 150 · U.S. census
- Duch 965 · U.S. census
- Duchaine 538 · U.S. census
- Duchamp 139 · U.S. census
- Duchan 131 · U.S. census
- Ducharme 5,689 · U.S. census
- Duche 102 · U.S. census
- Duchemin 456 · U.S. census
- Duchene 1,610 · U.S. census
- Duchesne 1,001 · U.S. census
- Duchon 319 · U.S. census
- Duclos 2,263 · U.S. census
When the index is not enough
This page says where Duchateau 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.