The Senechal surname
In the 2010 U.S. Census, 575 people carried this name — #38,484 among all U.S. surnames, about 1 in every 526,300 people counted. That is down 2% from 587 in 2000.
In France’s civil register
France’s register of deaths holds 3,652 people named Senechal.
32 of them were born outside France. Those born in France came from 75 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 104 people named Senechal 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 Senechal.
- Senay 402 · U.S. census
- Sender 719 · U.S. census
- Sendra 396 · U.S. census
- Sene 555 · U.S. census
- Seneca 851 · U.S. census
- Senecal 2,575 · U.S. census
- Senesi 142 · U.S. census
- Seng 4,563 · U.S. census
- Sengel 107 · U.S. census
- Senger 2,435 · U.S. census
- Senn 5,448 · U.S. census
- Senne 806 · U.S. census
When the index is not enough
This page says where Senechal 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.