The Decan surname
In the 2000 U.S. Census, 100 people carried this name — #150,436 among all U.S. surnames, about 1 in every 2,500,000 people counted.
In France’s civil register
France’s register of deaths holds 156 people named Decan.
6 of them were born outside France. Those born in France came from 22 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 72 people named Decan 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.
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.
Nearby in the index
Surnames next to Decan.
- Debuck 194 · U.S. census
- Debus 751 · U.S. census
- Debusschere 191 · U.S. census
- Dec 955 · U.S. census
- Decamp 2,587 · U.S. census
- Decamps 108 · U.S. census
- Decanter 138 · U.S. census
- Decelle 414 · U.S. census
- Dechaine 412 · U.S. census
- Dechamps 121 · U.S. census
- Dechant 1,606 · U.S. census
- Dechene 280 · U.S. census
When the index is not enough
This page says where Decan 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.