The Lanzi surname
In the 2010 U.S. Census, 492 people carried this name — #43,811 among all U.S. surnames, about 1 in every 588,200 people counted. That is down 9% from 538 in 2000.
In Argentina’s national register
At least 306 people named Lanzi 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 Entre Ríos.
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
90 people named Lanzi live in Switzerland.
They live in 7 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.
In France’s civil register
France’s register of deaths holds 82 people named Lanzi.
21 of them were born outside France. Those born in France came from 9 départements, most often Moselle.
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.
Who carried it
People named Lanzi,
with a public archive behind them.
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Luigi Lanzi 1732–1810 · writer -
Mario Lanzi 1914–1980 · athlete -
Mario Lanzi 1914–1980 · athlete
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Francesco Locatelli Lanzi 1687–1770
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Matteo Lanzi 1824–1908 · botanist
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Amelia Maria Lanzi Doniselli 1892–1965 · teacher
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Lanzi.
- Lantier 460 · U.S. census
- Lantieri 166 · U.S. census
- Lantin 184 · U.S. census
- Lantz 12,169 · U.S. census
- Lanz 2,285 · U.S. census
- Lanza 5,819 · U.S. census
- Lanzoni 212 · U.S. census
- Lao 5,897 · U.S. census
- Lapaix 241 · U.S. census
- Laparra 254 · U.S. census
- Lapere 172 · U.S. census
- Laperouse 134 · U.S. census
When the index is not enough
This page says where Lanzi 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.