Castagno surname: U.S. census count, rank and records | FamilyCrests

The Castagno surname

In the 2010 U.S. Census, 433 people carried this name — #48,717 among all U.S. surnames, about 1 in every 666,700 people counted. That is down 22% from 558 in 2000.

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In Argentina’s national register

At least 1,692 people named Castagno 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 Córdoba.

Where it concentrates, on the map

Where they live today

Córdoba 613
Santa Fe 452
Buenos Aires Province 291
City of Buenos Aires 75
La Pampa 72
San Luis 55
Entre Ríos 37
Mendoza 24

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 162 people named Castagno.

43 of them were born outside France. Those born in France came from 25 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

Born outside France 43
Alpes-Maritimes 20
Bouches-du-Rhône 17
Seine-et-Marne 13
Isère 8
Var 8
Tarn-et-Garonne 8
Paris 7
Vaucluse 6

Fichier des personnes décédées, INSEE — Licence Ouverte 2.0 · deaths recorded in France since 1970, by place of birth.

In Switzerland’s population statistics

26 people named Castagno 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

Ticino 11
Valais 8
Geneva 4
Zurich 3

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 Castagno,
with a public archive behind them.

  • Luigi Castagno 1893–1971 · politician
  • Luigi Castagno 1893–1971 · politician
  • Laura Castagno 1938– · architect
  • Adele Monaci Castagno 1952– · university teacher
  • Dario Castagno 1967– · writer
  • Dino Castagno 1993– · association football player

Wikidata (CC0).

Nearby in the index

Surnames next to Castagno.

When the index is not enough

This page says where Castagno 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.

See what a volume holds
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