The Iorio surname
In the 2010 U.S. Census, 2,165 people carried this name — #13,944 among all U.S. surnames, about 1 in every 137,000 people counted. That is down 3% from 2,229 in 2000.
What the name means
The meaning of the Iorio surname
A surname originating as a patronymic.
A dialectal form of Giorgio.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Iorio» (Italian), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Argentina’s national register
At least 412 people named Iorio 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 Switzerland’s population statistics
142 people named Iorio live in Switzerland.
They live in 12 of Switzerland’s 26 cantons, most of all in Vaud.
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.
In France’s civil register
France’s register of deaths holds 113 people named Iorio.
51 of them were born outside France. Those born in France came from 17 départements, most often Bouches-du-Rhône.
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 print
Iorio in American newspapers,
1913.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 3,072 pages in all carry the name.
Who carried it
People named Iorio,
with a public archive behind them.
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Diana 1948–2024 · singer -
Diana 1950–2024 · singer
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Francesco Iorio 1686–1754 · Catholic priest
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Tommaso Angelo Iorio 1886–1966 · theologian
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Tommaso Angelo Iorio 1886–1966 · theologian
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Alberto Orso Maria Iorio 1901– · physicist
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Iorio.
- Innocent 1,618 · U.S. census
- Innocenti 535 · U.S. census
- Innocenzi 224 · U.S. census
- Insalaco 775 · U.S. census
- Ionescu 853 · U.S. census
- Iori 160 · U.S. census
- Iovino 1,301 · U.S. census
- Iparraguirre 236 · U.S. census
- Ippolito 4,246 · U.S. census
- Iraola 339 · U.S. census
- Iriarte 977 · U.S. census
- Iribarren 311 · U.S. census
When the index is not enough
This page says where Iorio 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.