Castaños

loc · Latin script

Meaning: masculine plural of castaño

(measured from records)Officially recorded in 6 countries

Castaños is a name written in the Latin script, with more bearers in Spain than in any other country.

  • DODominican Republic≈1 in 46Kfew records(inferred from the name graph)
  • ESSpain1 in 54K
  • ARArgentina1 in 101K

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Countries with no figure are shown too: flat where a national register lists the name without counting it, hatched where only our records hold it. One hue, darker where it is more common; hover a country for its figure.

Spain (measured from records)

921 people

Record sources
134 (measured from records)

corpus datasets behind its best-documented spelling

strongest: highest-authority source

≈1 in 34K (inferred from the name graph)

Bolivia, est.

measured from records inferred from the name graph

Spellings & scripts

(measured from records)

One other spelling is counted as the same name:

Locally spelled Castanos in US United States, ES Spain, AR Argentina and 2 more.

Spellings marked ● are how people bearing the name write it in our records, and ○ marks a model's transliteration; click a spelling to open its page.

Meaning & origin

(measured from records)

masculine plural of castaño

Cited for this meaning 1

  • kaikki.org Wiktionary extract (IPA + transliterations)

Attested across 13 languages in the etymology graph.

Where in the world

(measured from records)

Castaños counted together with the spellings and other-language forms grouped with it. Where a register counted another spelling, the row names it.

Sorted by bearers: national registers' counts, and Mondonomo's estimates (≈, est.) where no register counts.

Where Castaños is recorded, by country
CountryMost common spellingSources
ES Spain9211 in 54K921Castanos53
US United States5571 in 597K728Castanos134
MX Mexico≈550 est.≈1 in 239K36Castaños51
AR Argentina4511 in 101K451Castanos30
BO Bolivia≈370 est.≈1 in 34K—Castanos20
DO Dominican Republic≈250 est.≈1 in 46K—Castanos17
UY Uruguay231 in 147K23—6

921 people counted by INE — Padrón per-token widgets (current living counts, given + apellidos), counting the spelling castaños. Exact figures are national registers' own counts, while figures marked ≈ and est. are Mondonomo’s estimates, counted from our sources and calibrated against those registers; hover one for how far to trust it in that country. A dash means neither exists.

Registers cited: Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2020; RENAPO — name frequencies (eduardofv dataset); INE — Padrón per-token widgets (current living counts, given + apellidos); INE — Apellidos más frecuentes (Padrón Municipal); RENAPER — Apellidos (person counts, national); INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public). Figures without a register are Mondonomo estimates; see Methodology.

Country figures for a list of names, at full precision, are available under licence rather than by scraping this table (how that works).

Other names spelled this way

(inferred from the name graph)

Castaños is also recorded as 2 other names, grouped separately because the records behind them do not connect to the one described above.

  • a separate name4 spellings in the group

    Also written Castańos, Castanos, Castan͂os

  • French surname3 spellings in the group

    Most recorded in France, United States, Philippines, Spain

    Also written Castanos

27 further groups record this spelling and are not listed here.

Grouping is the name graph's, not a register's: two spellings join a group when the evidence links them, so a group is a claim about the records rather than about the people.

Other recorded senses

(measured from records)

Castaños is also recorded in one other lexicon, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

  • In Asturian, masculine plural of castañu

    as a wordkaikki.org Wiktionary extract (IPA + transliterations)

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Notable people with this name

(measured from records)
175018001850190019502000Francisco Javier Castaños, 1st Duke of Bailén, b. 1758Manuel Castaños y Montijano, b. 1852Manuel Castaños Agáñez, b. 1857Manuel Magariños Castaños, b. 1871Rodrigo Castaños Oller, b. 1883Emiliano Castaños Fernández, b. 1888Joaquín Montaner, b. 1892Raquel Castaños, b. 1953

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

Evidence

(measured from records)

9 registers and reference works attest this spelling, across 6 countries.

Official registers attesting Castaños
CountryRegisterYearCountRank
ES SpainINE — Apellidos más frecuentes (Padrón Municipal)—921#4,757
ES SpainINE — Padrón per-token widgets (current living counts, given + apellidos)—921#4,755
AR ArgentinaRENAPER — Apellidos (person counts, national)—451—
MX MexicoRENAPO — name frequencies (eduardofv dataset)—36#3,200

Reference works 2

  • Nederlandse FamilienamenBank (Dutch surname bank; ex-Meertens Instituut, now CBG)2007
  • Wikidata name items (native-script + romanized given/family names)

These works list the name; their figures are licensed and are not reproduced here.

Register rows as of the 2026-10-09 data build.

Frequently asked questions

What does the name Castaños mean, and where does it come from?
masculine plural of castaño Recorded by kaikki.org Wiktionary extract (IPA + transliterations).
In which country does Castaños have the most bearers?
In Spain, the national register counted about 921 people named Castaños, more than in any other country we hold, where it is most often spelled castanos.
How common is the name Castaños?
In Spain, the national register counted 921 people named Castaños, about 1 in 54 thousand residents.

What do you want to know about Castaños?

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Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/casta%C3%B1os

The payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. It takes a free API key (1,000 requests a day), which returns what this page shows everyone; the full country table, every register citation and the year-by-year series come with a licensed key, as does bulk access.

About this data

measured from records inferred from the name graph machine-generated

These figures come from the data snapshot of and will change as it is rebuilt.

Statistics are aggregated from the Mondonomo name corpus; related names and etymology are inferred from the name graph; pronunciation and any machine-marked transliterations are model-generated. Read how the numbers are made, including their known failure modes, and where the data comes from.

Reference works we consult — surname dictionaries, official name registers, Wikidata and Wiktionary — are named directly, beside the claims they support. The per-country source counts also include datasets of person records: we publish how many there are and their authority tier, but not their names.

Cite this page Mondonomo, “Castaños”. Data snapshot 2026-10-13.

See how Castaños parses inside a full name →