The Castellanos surname
In the 2000 U.S. Census, 20,985 people carried this name — #1,568 among all U.S. surnames, about 1 in every 12,900 people counted.
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In France’s civil register
France’s register of deaths holds 110 people named Castellanos.
50 of them were born outside France. Those born in France came from 17 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
102 people named Castellanos 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 · names with fewer than 3 bearers in a canton are not published.
Who carried it
People named Castellanos,
with a public archive behind them.
-
Juan de Castellanos 1522–1607 · writer -
Aarón Castellanos 1799–1880 · businessperson -
Rosa Castellanos 1834–1907 · military personnel -
Mercedes Castellanos de Anchorena 1840–1920 · businessperson -
José María Castellanos 1840–1919 · writer
Wikidata and Wikimedia Commons (CC0) · 204 lives in all are documented under this name.
Nearby in the index
Surnames next to Castellanos.
- Castell 999 · U.S. census
- Castella 273 · U.S. census
- Castellan 264 · U.S. census
- Castellana 437 · U.S. census
- Castellani 751 · U.S. census
- Castellano 9,732 · U.S. census
- Castelli 3,176 · U.S. census
- Castellini 351 · U.S. census
- Castellino 173 · U.S. census
- Castello 3,140 · U.S. census
- Castellon 5,557 · U.S. census
- Castells 161 · U.S. census
When the index is not enough
This page says where Castellanos 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.