The Gianni surname
In the 2010 U.S. Census, 988 people carried this name — #25,115 among all U.S. surnames, about 1 in every 303,000 people counted. That is up 13% from 871 in 2000.
In Argentina’s national register
At least 872 people named Gianni 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 115 people named Gianni.
30 of them were born outside France. Those born in France came from 14 départements, most often Corsica.
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
72 people named Gianni live in Switzerland.
They live in 9 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 Gianni,
with a public archive behind them.
-
Francesco Gianni 1750–1822 · writer -
Alberto Gianni 1891–1930 · inventor -
Lapo Gianni 1300–1400 · poet
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Pietro Gianni 1715–1717
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Girolamo Gianni 1837–1895 · painter
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Labindo Gianni 1859–1947 · mathematician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Gianni.
- Giangrasso 336 · U.S. census
- Giangreco 396 · U.S. census
- Giani 207 · U.S. census
- Gianini 124 · U.S. census
- Giannelli 893 · U.S. census
- Giannetti 1,120 · U.S. census
- Giannini 3,499 · U.S. census
- Giannone 1,733 · U.S. census
- Giannoni 201 · U.S. census
- Giannotti 1,008 · U.S. census
- Gianola 184 · U.S. census
- Gianoli 145 · U.S. census
When the index is not enough
This page says where Gianni 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.