The Hennion surname
In the 2010 U.S. Census, 270 people carried this name — #72,105 among all U.S. surnames, about 1 in every 1,111,100 people counted. That is down 2% from 276 in 2000.
In France’s civil register
France’s register of deaths holds 946 people named Hennion.
18 of them were born outside France. Those born in France came from 35 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 40 people named Hennion 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.
In print
Hennion in American newspapers,
1899–1918.
Chronicling America, Library of Congress — digitised newspapers in the public domain.
Nearby in the index
Surnames next to Hennion.
- Hennemann 355 · U.S. census
- Henner 312 · U.S. census
- Hennes 920 · U.S. census
- Hennig 2,415 · U.S. census
- Henning 16,557 · U.S. census
- Henninger 4,262 · U.S. census
- Hennon 551 · U.S. census
- Henny 319 · U.S. census
- Heno 132 · U.S. census
- Henoch 119 · U.S. census
- Henon 209 · U.S. census
- Henri 700 · U.S. census
When the index is not enough
This page says where Hennion 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.