The Petrini surname
In the 2010 U.S. Census, 878 people carried this name — #27,452 among all U.S. surnames, about 1 in every 333,300 people counted. That is up 6% from 826 in 2000.
In Argentina’s national register
At least 825 people named Petrini 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
234 people named Petrini live in Switzerland.
They live in 10 of Switzerland’s 26 cantons, most of all in Ticino.
Where it concentrates, on the mapWhere 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 178 people named Petrini.
43 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 the Nordic population registers
263 people named Petrini is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
Who carried it
People named Petrini,
with a public archive behind them.
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Paolo Petrini d. 1750 · cartographer -
Bartolomeo Petrini d. 1419 · Catholic priest
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Antonio Petrini 1621–1701 · architect
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Bartolommeo Petrini 1642–1664 · painter
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Bartolommeo Petrini 1643–1664 · painter
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Giuseppe Antonio Petrini 1677–1759 · painter
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Petrini.
- Petre 1,496 · U.S. census
- Petrella 2,913 · U.S. census
- Petrelli 422 · U.S. census
- Petri 3,115 · U.S. census
- Petrilli 654 · U.S. census
- Petrillo 4,179 · U.S. census
- Petris 207 · U.S. census
- Petro 5,777 · U.S. census
- Petrocchi 120 · U.S. census
- Petroff 2,018 · U.S. census
- Petron 431 · U.S. census
- Petrone 3,854 · U.S. census
When the index is not enough
This page says where Petrini 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.