The Casto surname

In the 2010 U.S. Census, 8,284 people carried this name — #4,293 among all U.S. surnames, about 1 in every 35,600 people counted. That is up 10% from 7,528 in 2000.

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In Switzerland’s population statistics

141 people named Casto live in Switzerland.

They live in 11 of Switzerland’s 26 cantons, most of all in Vaud.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Vaud 33
Zurich 23
Geneva 22
Bern 16
Valais 14
Ticino 9
Basel-Stadt 8
Basel-Landschaft 6

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 Argentina’s national register

At least 115 people named Casto 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.

Too few records to say where it concentrates region by region — these are plain counts, not shares.

Where they live today

Buenos Aires Province 81
Córdoba 24
Santa Fe 10

RENAPER (National Registry of Persons, Argentina), surnames of residents by province, December 2021 — CC BY 4.0.

In print

Casto in American newspapers,
1903–1906.

Newspaper page from Evening Star carrying the name Casto
Evening Star 1906-02-04
Newspaper page from New-york Tribune carrying the name Casto
New-york Tribune 1906-01-16
Newspaper page from The Mirror And Farmer carrying the name Casto
The Mirror And Farmer 1903-10-22

Chronicling America, Library of Congress — digitised newspapers in the public domain · 50,720 pages in all carry the name.

In print

Casto in Australian newspapers,
1870s–1950s.

86 articles name a Mr, Mrs or Miss Casto. The most, 23, date from the 1930s.

Articles, by state

New South Wales 26
Queensland 15
Victoria 9
Tasmania 7
South Australia 3
Western Australia 2
ACT (Canberra) 1

Trove, National Library of Australia (trove.nla.gov.au) · articles in its digitised newspapers that name a Mr, Mrs or Miss Casto.

Who carried it

People named Casto,
with a public archive behind them.

  • Frank M. Casto 1875–1965 · orthodontist

Wikidata (CC0) · 7 lives in all are documented under this name.

In the public record

People named Casto,
in the records of 3 countries.

Soldiers, farmers, migrants and neighbours who carried the name and left a trace in public archives. Everyone shown here died long ago or was born more than a century ago.

United States395 records

395 records of the Casto name in the United States
  • U.S. Army enlistment records, World War II 252
  • U.S. veterans' cemetery records, burials to 2001 74
  • Passenger arrivals in the United States, 1820–1912 38
  • U.S. alien registration index, 1940–1955 17
  • New York City birth, marriage and death certificates 7
  • New York State death index (outside NYC), 1957–2001 6
  • U.S. service members who died in the Vietnam War 1
  1. A United States Selective Service registration card, 1942
    Example: U.S. registration card, 1942
    Military record Kenneth C. Casto

    Born 1920 in West Virginia. Enlisted 1944 at Huntington; mechanic from Jackson County. U.S. Army veteran of World War II; died 2001, buried at Mose Chapel Cemetery, South Charleston, West Virginia.

    U.S. National Archives, WWII Army Enlistment Records (public domain); U.S. Department of Veterans Affairs, Gravesite Locator (CC0)
  2. A passenger manifest of the S.S. St. Paul, arriving at New York in 1903
    Example: passenger manifest, 1903
    Passenger record Santa Casto

    Arrived at New York in 1903 aboard the Nord America from Genoa and Naples, aged 28; peasant. From Nicosia, Enna, Italy; bound for Chicago.

    U.S. National Archives, Castle Garden Immigration Center Collection, Ship Passenger Records (unrestricted)
  3. Names engraved on the Vietnam Veterans Memorial, Washington, D.C.
    Example: U.S. war memorial
    War record Clarence Leroy Casto

    Born 1935; from Jefferson, Ohio. U.S. Army, infantryman; killed in action 1966 in South Vietnam.

    U.S. National Archives, Defense Casualty Analysis System (public domain)

Showing 3 of 395 records for Casto in the United States.

Counts: U.S. National Archives, WWII Army Enlistment Records (public domain) · U.S. Department of Veterans Affairs, Gravesite Locator (CC0) · U.S. National Archives, Castle Garden Immigration Center Collection, Ship Passenger Records (unrestricted) · U.S. National Archives, Flexoline Index Data File (public domain) · NYC Department of Records & Information Services, Historical Vital Records (NYC Open Data) · New York State Department of Health, Genealogical Research Death Index · U.S. National Archives, Defense Casualty Analysis System (public domain). Example pages, not the records of the people shown: U.S. Selective Service registration card, 1942 (public domain); Passenger manifest of the S.S. St. Paul, New York, 1903 (public domain); Vietnam Veterans Memorial, photo by U.S. Army Sgt. 1st Class Michael J. Carden, 2009 (public domain).

France6 records

6 records of the Casto name in France France's national death register, 1970–2001
  1. A page of the death register of Nice, 1930
    Example: French death register, 1930
    Death record Josephine Antonia Casto

    Born 1927 in Arras; died 1987 in Thélus (Pas-de-Calais).

    Insee, Fichier des personnes décédées (Licence Ouverte)
  2. A page of the death register of Nice, 1930
    Example: French death register, 1930
    Death record Raymond Hyacinthe Joseph Casto

    Born 1899 in Narbonne; died 1975 in Narbonne (Aude).

    Insee, Fichier des personnes décédées (Licence Ouverte)
  3. A page of the death register of Nice, 1930
    Example: French death register, 1930
    Death record Odette Charlotte Leonie Casto

    Born 1919 in Marseille (Bouches-du-Rhône); died 1996 in Villeneuve-lès-Avignon (Gard).

    Insee, Fichier des personnes décédées (Licence Ouverte)

Showing 3 of 6 records for Casto in France.

Counts: Insee, Fichier des personnes décédées (Licence Ouverte). Example pages, not the records of the people shown: Death register of Nice, 1930, Archives départementales des Alpes-Maritimes (public domain).

Germany2 records

2 records of the Casto name in Germany Germany's First World War casualty lists, 1914–1919
  1. A page of the German First World War casualty lists, 18 April 1918
    Example: German casualty list, 1918
    Casualty list Paul Casto

    From Dombrowitz, Oppeln. Reported dead in the Prussian casualty list of 14 June 1918.

    Verein für Computergenealogie e.V. (2026). Deutsche Verlustlisten des Ersten Weltkriegs – Datensammlung (Version 1.0), DOI 10.5281/zenodo.18330751 (CC0)
  2. A page of the German First World War casualty lists, 18 April 1918
    Example: German casualty list, 1918
    Casualty list Franz Casto

    Reported dead in the Bavarian casualty list of 17 March 1915 (Infantry Regiment No. 22).

    Verein für Computergenealogie e.V. (2026). Deutsche Verlustlisten des Ersten Weltkriegs – Datensammlung (Version 1.0), DOI 10.5281/zenodo.18330751 (CC0)

Counts: Verein für Computergenealogie e.V. (2026). Deutsche Verlustlisten des Ersten Weltkriegs – Datensammlung (Version 1.0), DOI 10.5281/zenodo.18330751 (CC0). Example pages, not the records of the people shown: Deutsche Verlustlisten, Prussian list 1116, 18 April 1918 (scan via Wikimedia Commons, CC BY 3.0).

Nearby in the index

Surnames next to Casto.

When the index is not enough

This page says where Casto 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.

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