The Fiorio surname
In the 2000 U.S. Census, 119 people carried this name — #131,366 among all U.S. surnames, about 1 in every 2,500,000 people counted.
In Argentina’s national register
At least 295 people named Fiorio 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 Buenos Aires Province.
Where it concentrates, on the mapWhere they live today
RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.
In France’s civil register
France’s register of deaths holds 118 people named Fiorio.
47 of them were born outside France. Those born in France came from 22 départements, most often Aude.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they were born
Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.
In Switzerland’s population statistics
23 people named Fiorio live in Switzerland.
They live in 5 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/en/dataset/nachnamen-der-standigen-wohnbevolkerung-nach-kanton3 · names with fewer than 3 bearers in a canton are not published.
Who carried it
People named Fiorio,
with a public archive behind them.
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Annie Steiner 1928–2021 · mujahid -
Annie Steiner 1928–2021 · mujahid
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Cesare Fiorio 1939– · co-driver -
Gaetano Fiorio 1744–1807 · actor
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Roberto Fiorio 1927– · association football player
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Zacarías Fiorio 1931–2008 · basketball player
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Fiorio.
- Fioretti 617 · U.S. census
- Fiori 1,365 · U.S. census
- Fiorillo 1,570 · U.S. census
- Fiorina 180 · U.S. census
- Fiorini 1,262 · U.S. census
- Fiorino 928 · U.S. census
- Fiorito 1,282 · U.S. census
- Fiorucci 265 · U.S. census
- Firmin 862 · U.S. census
- Fisch 2,502 · U.S. census
- Fischbach 1,970 · U.S. census
- Fischer 72,357 · U.S. census
When the index is not enough
This page says where Fiorio 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.