The Defour surname
In the 2000 U.S. Census, 250 people carried this name — #72,466 among all U.S. surnames, about 1 in every 1,111,100 people counted.
Free to read. No account, no sign-up.
In France’s civil register
France’s register of deaths holds 646 people named Defour.
6 of them were born outside France. Those born in France came from 21 départements, most often Loire.
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 419 people named Defour 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.
Nearby in the index
Surnames next to Defour.
- Defer 303 · U.S. census
- Defever 232 · U.S. census
- Defilippi 254 · U.S. census
- Defoor 1,268 · U.S. census
- Deforge 1,098 · U.S. census
- Defosse 285 · U.S. census
- Defrain 491 · U.S. census
- Defrance 826 · U.S. census
- Dega 120 · U.S. census
- Degan 710 · U.S. census
- Degand 218 · U.S. census
- Degano 103 · U.S. census
When the index is not enough
This page says where Defour 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.