The Aguero surname
In the 2010 U.S. Census, 6,402 people carried this name — #5,437 among all U.S. surnames, about 1 in every 46,100 people counted. That is up 34% from 4,776 in 2000.
Where the name comes from
The origin of the Aguero surname
From Spanish surname Agüero.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Aguero» (English), by Wiktionary contributors · licensed CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0) · excerpt, lightly adapted.
In Argentina’s national register
At least 85,094 people named Aguero 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 68 people named Aguero.
31 of them were born outside France. Those born in France came from 9 départements, most often Hauts-de-Seine.
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 Switzerland’s population statistics
41 people named Aguero live in Switzerland.
They live in 6 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 print
Aguero in American newspapers,
1851–1930.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 4,471 pages in all carry the name.
Who carried it
People named Aguero,
with a public archive behind them.
-
Brígida Agüero 1837–1866 · writer -
Martín Agüero Ereño 1902–1977 · bullfighter -
Susana Agüero 1944–2012 · actor -
Bartolomé Hidalgo de Aguero 1531–1597 · surgeon
-
Manuel Agüero Ereño 1910–1990 · bullfighter
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José Agüero Ereño 1913–1997 · bullfighter
Wikidata and Wikimedia Commons (CC0) · 10 lives in all are documented under this name.
Nearby in the index
Surnames next to Aguero.
- Agostino 1,050 · U.S. census
- Agraz 465 · U.S. census
- Agresti 540 · U.S. census
- Agron 515 · U.S. census
- Agu 464 · U.S. census
- Aguado 2,371 · U.S. census
- Aguerre 179 · U.S. census
- Aguiar 8,390 · U.S. census
- Aguila 6,103 · U.S. census
- Aguilar 186,512 · U.S. census
- Aguilera 31,581 · U.S. census
- Aguillon 3,076 · U.S. census
When the index is not enough
This page says where Aguero 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.