The Mazzocchi surname
In the 2010 U.S. Census, 487 people carried this name — #44,193 among all U.S. surnames, about 1 in every 588,200 people counted. That is up 8% from 451 in 2000.
In Argentina’s national register
At least 447 people named Mazzocchi 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 127 people named Mazzocchi.
56 of them were born outside France. Those born in France came from 19 départements, most often Paris.
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
45 people named Mazzocchi live in Switzerland.
They live in 6 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 Mazzocchi,
with a public archive behind them.
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Alessio Simmaco Mazzocchi 1684–1771 · Catholic priest -
Luigi Mazzocchi 1844–1925 · engineer -
Luigi Mazzocchi 1844–1925 · engineer
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Giacomo Mazzocchi 1450–1527 · printer
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Giovanni Mazzocchi 1490–1525 · bookseller
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Domenico Mazzocchi 1592–1665 · composer
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Mazzocchi.
- Mazzella 2,214 · U.S. census
- Mazzeo 2,284 · U.S. census
- Mazzetti 405 · U.S. census
- Mazzi 264 · U.S. census
- Mazzilli 427 · U.S. census
- Mazzini 276 · U.S. census
- Mazzocco 594 · U.S. census
- Mazzola 3,885 · U.S. census
- Mazzoleni 138 · U.S. census
- Mazzoli 387 · U.S. census
- Mazzolini 222 · U.S. census
- Mazzone 2,264 · U.S. census
When the index is not enough
This page says where Mazzocchi 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.