The Aguilar surname
In the 2010 U.S. Census, 186,512 people carried this name — #134 among all U.S. surnames, about 1 in every 1,580 people counted. That is up 48% from 126,399 in 2000.
Where the name comes from
The origin of the Aguilar surname
Borrowed from Spanish Aguilar. This surname is mostly found in Mexico.
From Wiktionary, the free dictionary (en.wiktionary.org) — entry «Aguilar» (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 68,642 people named Aguilar 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 952 people named Aguilar.
Most of them — 481 — were born outside France. Those born in France came from 55 départements, most often Hérault.
Where it concentrates, on the mapWhere 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
441 people named Aguilar live in Switzerland.
They live in 17 of Switzerland’s 26 cantons, most of all in Zurich.
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 the Nordic population registers
88 people named Aguilar is counted in Sweden.
Sweden’s figure is from 31 December 2022, the last count Statistics Sweden published.
Counted, by country
Own calculations based on data from Statistics Sweden (SCB), surnames with at least two bearers, 31 December 2022 — CC BY 4.0 (names with 20 or more bearers shown).
In print
Aguilar in American newspapers,
1853–1926.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 24,665 pages in all carry the name.
Who carried it
People named Aguilar,
with a public archive behind them.
-
Diego de Aguilera 1550–1624 · painter -
Gaspar Aguilar 1561–1623 · writer -
Nicolás Aguilar y Bustamante 1742–1818 -
Manuel Aguilar y Bustamante 1750–1819 · Catholic priest -
Eugenio Aguilar 1804–1879 · politician
Wikidata and Wikimedia Commons (CC0) · 180 lives in all are documented under this name.
Nearby in the index
Surnames next to Aguilar.
- Agu 464 · U.S. census
- Aguado 2,371 · U.S. census
- Aguero 6,402 · U.S. census
- Aguerre 179 · U.S. census
- Aguiar 8,390 · U.S. census
- Aguila 6,103 · U.S. census
- Aguilera 31,581 · U.S. census
- Aguillon 3,076 · U.S. census
- Aguilo 205 · U.S. census
- Aguirre 79,517 · U.S. census
- Agus 160 · U.S. census
- Agusti 109 · U.S. census
When the index is not enough
This page says where Aguilar 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.