The Dion surname
In the 2000 U.S. Census, 8,160 people carried this name — #3,995 among all U.S. surnames, about 1 in every 33,100 people counted.
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In France’s civil register
France’s register of deaths holds 2,276 people named Dion.
25 of them were born outside France. Those born in France came from 73 départements, most often Loiret.
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 262 people named Dion 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 Namur.
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.
In Switzerland’s population statistics
24 people named Dion live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Zurich.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss · names with fewer than 3 bearers in a canton are not published.
Who carried it
People named Dion,
with a public archive behind them.
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Auguste-Louis Dion 1824–1873 · sculptor -
Joseph-Octave Dion 1838–1916 · journalist -
Cyrille Dion 1843–1878 · pool player -
Léopold Dion 1920–1972 · serial killer -
Jeannine Dion-Guérin 1933–2025 · writer
Wikidata and Wikimedia Commons (CC0) · 141 lives in all are documented under this name.
Nearby in the index
Surnames next to Dion.
When the index is not enough
This page says where Dion 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.