The Cuellar surname
In the 2010 U.S. Census, 22,324 people carried this name — #1,609 among all U.S. surnames, about 1 in every 13,200 people counted. That is up 30% from 17,217 in 2000.
In Argentina’s national register
At least 21,133 people named Cuellar 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 Salta.
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
106 people named Cuellar live in Switzerland.
They live in 10 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 67 people named Cuellar.
20 of them were born outside France. Those born in France came from 16 départements, most often Aude.
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 the Nordic population registers
22 people named Cuellar 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
Cuellar in American newspapers,
1892–1960.
Chronicling America, Library of Congress — digitised newspapers in the public domain · 6,015 pages in all carry the name.
Who carried it
People named Cuellar,
with a public archive behind them.
-
Juana Rangel de Cuéllar 1649–1736 · land owner -
Henry Cuellar 1955– · lawyer -
Zoilo Cuéllar Durán 1871–1935 · physician
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Mariano Baeza Cuellar 1903–1936 · physician
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Jose Cuellar 1941–2026 · anthropologist
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Tomás Cuellar 1942–2007 · association football player
Wikidata and Wikimedia Commons (CC0) · 32 lives in all are documented under this name.
Nearby in the index
Surnames next to Cuellar.
- Cuadrado 1,558 · U.S. census
- Cuartero 138 · U.S. census
- Cucchi 375 · U.S. census
- Cucchiara 657 · U.S. census
- Cuccia 1,819 · U.S. census
- Cucco 313 · U.S. census
- Cuello 1,673 · U.S. census
- Cuenca 3,381 · U.S. census
- Cuenin 109 · U.S. census
- Cuesta 2,520 · U.S. census
- Cuevas 43,701 · U.S. census
- Cuff 3,022 · U.S. census
When the index is not enough
This page says where Cuellar 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.