The Tanzi surname
In the 2010 U.S. Census, 552 people carried this name — #39,773 among all U.S. surnames, about 1 in every 526,300 people counted. That is down 4% from 573 in 2000.
What the name means
The meaning of the Tanzi surname
A surname transferred from the given name.
Patronymic surname from a reduced form of Costanzo o Lattanzio.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Tanzi» (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 263 people named Tanzi 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 85 people named Tanzi.
20 of them were born outside France. Those born in France came from 16 départements, most often Alpes-Maritimes.
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
54 people named Tanzi 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.
In the Nordic population registers
62 people named Tanzi 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 Tanzi,
with a public archive behind them.
-
Rodolfo Tanzi 1101–1216 · philanthropist -
Léon Louis Antoine Tanzi 1846–1913 · painter -
Eugênio Tanzi 1856–1934 · psychiatrist -
Brunilde Tanzi 1912–1947 · military personnel -
Brunilde Tanzi 1912–1947 · military personnel
-
Carl'Antonio Tanzi 1710–1762 · poet
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Tanzi.
- Tani 831 · U.S. census
- Tanis 2,359 · U.S. census
- Tanner 48,813 · U.S. census
- Tano 599 · U.S. census
- Tant 2,355 · U.S. census
- Tanton 882 · U.S. census
- Taormina 2,250 · U.S. census
- Tap 197 · U.S. census
- Tapia 52,651 · U.S. census
- Tapie 107 · U.S. census
- Tarallo 630 · U.S. census
- Taran 470 · U.S. census
When the index is not enough
This page says where Tanzi 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.