The Gianotti surname
In the 2010 U.S. Census, 469 people carried this name — #45,569 among all U.S. surnames, about 1 in every 625,000 people counted. That is up 7% from 437 in 2000.
In Argentina’s national register
At least 820 people named Gianotti 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
178 people named Gianotti 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 144 people named Gianotti.
27 of them were born outside France. Those born in France came from 21 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.
Who carried it
People named Gianotti,
with a public archive behind them.
-
Constance Gianotti 1845–1915 -
Ambrogio Gianotti 1901–1969 · partisan -
Ambrogio Gianotti 1901–1969 · partisan
-
Alfonso Gianotti 1596–1649 · religious writer
-
Giovanni Antonio Gianotti 1784–1863 · Catholic priest
-
Marcello Gianotti 1799–1868 · politician
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Gianotti.
- 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
- Giard 639 · U.S. census
- Giardina 3,565 · U.S. census
- Giardini 321 · U.S. census
- Giardino 723 · U.S. census
- Giarratano 700 · U.S. census
- Gibbs 65,064 · U.S. census
When the index is not enough
This page says where Gianotti 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.