The Montani surname
In the 2010 U.S. Census, 384 people carried this name — #53,802 among all U.S. surnames, about 1 in every 769,200 people counted. That is up 4% from 369 in 2000.
In Argentina’s national register
At least 833 people named Montani 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
225 people named Montani live in Switzerland.
They live in 9 of Switzerland’s 26 cantons, most of all in Valais.
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 73 people named Montani.
32 of them were born outside France. Those born in France came from 12 départements, most often Côte-d’Or.
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.
Nearby in the index
Surnames next to Montani.
- Montanari 719 · U.S. census
- Montanaro 1,298 · U.S. census
- Montandon 333 · U.S. census
- Montane 303 · U.S. census
- Montaner 187 · U.S. census
- Montanes 201 · U.S. census
- Montano 27,276 · U.S. census
- Montavon 481 · U.S. census
- Monte 4,560 · U.S. census
- Monteagudo 1,279 · U.S. census
- Monteau 171 · U.S. census
- Montebello 196 · U.S. census
When the index is not enough
This page says where Montani 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.