The Porzio surname
In the 2010 U.S. Census, 660 people carried this name — #34,353 among all U.S. surnames, about 1 in every 454,500 people counted. That is down 4% from 686 in 2000.
What the name means
The meaning of the Porzio surname
A surname originating as a patronymic.
Borrowed from Latin Porcius.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Porzio» (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 332 people named Porzio 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 97 people named Porzio.
16 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 Switzerland’s population statistics
39 people named Porzio live in Switzerland.
They live in 4 of Switzerland’s 26 cantons, most of all in Ticino.
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 Porzio,
with a public archive behind them.
-
Simone Porzio 1496–1554 · physician -
Simone Porzio 1497–1554 · physician
-
Lucantonio Porzio 1639–1723 · writer -
Camillo Porzio 1526–1580 · writer
-
Lorenzo Porzio 1604–1676 · librarian
-
Bartolomeo Porzio 1655–1719 · Catholic priest
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Porzio.
- Portie 182 · U.S. census
- Portier 733 · U.S. census
- Portillo 37,890 · U.S. census
- Portmann 341 · U.S. census
- Porto 3,526 · U.S. census
- Portugal 2,263 · U.S. census
- Pose 275 · U.S. census
- Poser 448 · U.S. census
- Poss 3,209 · U.S. census
- Posson 203 · U.S. census
- Post 23,458 · U.S. census
- Postal 440 · U.S. census
When the index is not enough
This page says where Porzio 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.