The Barrientos surname
In the 2010 U.S. Census, 18,877 people carried this name — #1,905 among all U.S. surnames, about 1 in every 15,600 people counted. That is up 49% from 12,690 in 2000.
In Argentina’s national register
At least 31,717 people named Barrientos 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
77 people named Barrientos live in Switzerland.
They live in 9 of Switzerland’s 26 cantons, most of all in Geneva.
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 France’s civil register
France’s register of deaths holds 20 people named Barrientos.
Most of them — 16 — were born outside France. Those born in France came from 3 départements, most often Seine-Maritime.
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.
In print
Barrientos in American newspapers,
1877–1958.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 1,566 pages in all carry the name.
Who carried it
People named Barrientos,
with a public archive behind them.
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Maria Barrientos 1883–1946 · opera singer -
José Barrientos 1904–1945 · sprinter -
René Emilio Barrientos Ortuño 1919–1969 · politician -
Armando Barrientos Miranda 1921– · politician -
Mario Barrientos 1931–2023 · opera singer
Wikidata (CC0) · portraits via Wikimedia Commons, shown cropped — Armando Barrientos Miranda: Biblioteca del Congreso Nacional, CC BY-SA 3.0 cl (creativecommons.org/licenses/by-sa/3.0/cl/deed.en); Mario Barrientos: Jc76wiki, CC BY-SA 3.0 (creativecommons.org/licenses/by-sa/3.0); the others are in the public domain or CC0 · 88 lives in all are documented under this name.
In the public record
People named Barrientos,
in the records of 2 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 States432 records
- U.S. alien registration index, 1940–1955 363
- U.S. Army enlistment records, World War II 45
- U.S. veterans' cemetery records, burials to 2001 21
- New York City birth, marriage and death certificates 3
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Example: U.S. registration card, 1942 Military record Pedro P. BarrientosBorn 1922 in Texas. Enlisted 1942 at Chicago, Illinois; auto mechanic. U.S. Army Air Forces veteran of World War II; died 1997, buried at Queen of Heaven Cemetery, Hillside, Illinois.
U.S. National Archives, WWII Army Enlistment Records (public domain); U.S. Department of Veterans Affairs, Gravesite Locator (CC0) -
Example: U.S. burial record, 1864 Burial record Jacobo BarrientosU.S. Army veteran of the Vietnam War. Born 1940, died 1997; buried at Fort Bliss National Cemetery, Texas.
U.S. Department of Veterans Affairs, Gravesite Locator (CC0) -
Example: U.S. alien registration card, 1940s Alien registration Hilaria S. BarrientosBorn 1875 in Mexico. Registered as a foreign national in El Paso, Texas, under the Alien Registration Act of 1940.
U.S. National Archives, Flexoline Index Data File (public domain)
Showing 3 of 432 records for Barrientos in the United States.
Counts: U.S. National Archives, Flexoline Index Data File (public domain) · U.S. National Archives, WWII Army Enlistment Records (public domain) · U.S. Department of Veterans Affairs, Gravesite Locator (CC0) · NYC Department of Records & Information Services, Historical Vital Records (NYC Open Data). Example pages, not the records of the people shown: U.S. Selective Service registration card, 1942 (public domain); Record of death and interment, Camp Nelson, Kentucky, 1864, U.S. National Archives (public domain); Alien Registration Receipt Card, Form AR-3, photo by Bobjgalindo via Wikimedia Commons (CC BY 4.0).
France7 records
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Example: French death register, 1930 Death record Elisabeth Sylvie BarrientosBorn 1960 in Paris; died 2000 in Angers (Maine-et-Loire).
Insee, Fichier des personnes décédées (Licence Ouverte) -
Example: French death register, 1930 Death record Pedro BarrientosBorn 1910 in Chile; died 1991 in Bordeaux (Gironde).
Insee, Fichier des personnes décédées (Licence Ouverte) -
Example: French death register, 1930 Death record Albert BarrientosBorn 1920 in Morocco; died 1991 in La Roche-sur-Yon (Vendée).
Insee, Fichier des personnes décédées (Licence Ouverte)
Showing 3 of 7 records for Barrientos 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).
Nearby in the index
Surnames next to Barrientos.
- Barrett 100,104 · U.S. census
- Barrette 2,969 · U.S. census
- Barri 155 · U.S. census
- Barrial 157 · U.S. census
- Barrick 5,111 · U.S. census
- Barrie 3,154 · U.S. census
- Barrier 3,002 · U.S. census
- Barriera 200 · U.S. census
- Barriere 761 · U.S. census
- Barriga 5,286 · U.S. census
- Barringer 6,964 · U.S. census
- Barrington 4,843 · U.S. census
When the index is not enough
This page says where Barrientos 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.