The Bertoni surname
In the 2010 U.S. Census, 846 people carried this name — #28,263 among all U.S. surnames, about 1 in every 344,800 people counted. That is up 8% from 783 in 2000.
In Argentina’s national register
At least 1,669 people named Bertoni 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 414 people named Bertoni.
109 of them were born outside France. Those born in France came from 58 départements, most often Corsica.
Where it concentrates, on the mapWhere 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
90 people named Bertoni live in Switzerland.
They live in 11 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 Belgium’s population register
At least 33 people named Bertoni live in Belgium.
Statbel only publishes a name in a municipality when five or more people there share it, so the real number is higher. Most of them live in Liège.
Too few records to say where it concentrates region by region — these are plain counts, not shares.
Where they live today
Statbel (Statistics Belgium), family names of the population by municipality, 1 January 2026 — CC BY 4.0.
Nearby in the index
Surnames next to Bertoni.
- Bertolotti 368 · U.S. census
- Bertolozzi 208 · U.S. census
- Bertolucci 302 · U.S. census
- Berton 756 · U.S. census
- Bertoncini 268 · U.S. census
- Bertone 1,152 · U.S. census
- Bertot 324 · U.S. census
- Bertozzi 229 · U.S. census
- Bertram 8,369 · U.S. census
- Bertran 421 · U.S. census
- Bertrand 12,461 · U.S. census
- Bertron 118 · U.S. census
When the index is not enough
This page says where Bertoni 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.