Rion surname: U.S. census count, rank and records | FamilyCrests

The Rion surname

In the 2010 U.S. Census, 673 people carried this name — #33,810 among all U.S. surnames, about 1 in every 434,800 people counted. That is up 5% from 639 in 2000.

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In France’s civil register

France’s register of deaths holds 459 people named Rion.

16 of them were born outside France. Those born in France came from 45 départements, most often Marne.

Where it concentrates, on the map

Where they were born

Born outside France 16
Marne 76
Ain 54
Vienne 40
Saône-et-Loire 38
Indre-et-Loire 35
Paris 35
Haute-Savoie 31
Eure 14

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Argentina’s national register

At least 271 people named Rion live in Argentina.

RENAPER only publishes a name in a province when more than ten people there share it, so the real number is higher. Most of them live in Entre Ríos.

Where it concentrates, on the map

Where they live today

Entre Ríos 112
Buenos Aires Province 100
Santa Fe 59

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In Switzerland’s population statistics

203 people named Rion live in Switzerland.

They live in 9 of Switzerland’s 26 cantons, most of all in Valais.

Where it concentrates, on the map

Where they live today

Valais 78
Jura 49
Fribourg 20
Vaud 16
Bern 14
Geneva 8
Zurich 7
Neuchâtel 6

Swiss Federal Statistical Office (FSO), «Surnames of the permanent resident population by canton», 2025, opendata.swiss/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.

In Belgium’s population register

At least 117 people named Rion 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 Liège.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Liège 79
Luxembourg Province 33
Hainaut 5

Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.

Who carried it

People named Rion,
with a public archive behind them.

  • Antoine Rion 1772–1814
  • Joseph Rion 1804–1891 · politician
  • Alphonse Rion 1809–1856 · botanist
  • François de Barghon Fort-Rion 1832–1899 · writer
  • René Rion 1904–1944
  • Francis Rion 1933–2022 · association football referee

Wikidata (CC0) · 10 lives in all are documented under this name.

Nearby in the index

Surnames next to Rion.

When the index is not enough

This page says where Rion 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.

See what a volume holds
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