The Decot surname
In the 2010 U.S. Census, 174 people carried this name — #103,181 among all U.S. surnames, about 1 in every 1,666,700 people counted. That is down 10% from 193 in 2000.
In France’s civil register
France’s register of deaths holds 166 people named Decot.
10 of them were born outside France. Those born in France came from 22 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 148 people named Decot 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.
Nearby in the index
Surnames next to Decot.
- Decocq 109 · U.S. census
- Deconinck 195 · U.S. census
- Decorte 541 · U.S. census
- Decory 175 · U.S. census
- Decosse 185 · U.S. census
- Decoster 1,084 · U.S. census
- Decou 480 · U.S. census
- Decoux 382 · U.S. census
- Decraene 232 · U.S. census
- Decroix 200 · U.S. census
- Dede 625 · U.S. census
- Dedecker 457 · U.S. census
When the index is not enough
This page says where Decot 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.