Delcastillo
surname · Latin script
Recorded for both men and women· direction only, no split published
/dɛɫkɑˈstɪɫoʊ/(machine-generated) pronunciation, model-generated
Delcastillo is a surname written in the Latin script, with more bearers in Spain than in any other country. Recorded meaning: Borrowed from Spanish del Castillo (literally “from the castle”).
- USUnited States1 in 83K(measured from records)
- UYUruguay1 in 3.4K
- ESSpain1 in 4.9K
carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). One hue, darker where it is more common; hover a country for its figure.
- Spain (measured from records)
- Sources
- 150 (measured from records)
- 1 in 3.4K (inferred from the name graph)
10,160 people
Highest-authority source
Uruguay
measured from records inferred from the name graph
Meaning & origin(measured from records)
- Spanishdel(measured from records)
- SpanishCastillo(inferred from the name graph)via Castillo
Steps marked ◐ come from the entry for the form named above them, not from this name's own sources.
Borrowed from Spanish del Castillo (literally “from the castle”).
Sources 1
Attested in 1 language in the etymology graph.
Where in the world(measured from records)
Delcastillo 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.
| Country | Most common spelling | Sources | ||||
|---|---|---|---|---|---|---|
| ES Spain | — | 10,160 | 1 in 4.9K | 10K | Delcastillo | 25 |
| US United States | — | 4,013 | 1 in 83K | 4.1K | Delcastillo | 150 |
| AR Argentina | — | 3,995 | 1 in 11K | 4K | — | 17 |
| PK Pakistan | — | ≈2,600 est. | ≈1 in 89K | — | Delcastillo | 1 |
| UY Uruguay | — | 1,010 | 1 in 3.4K | 1K | — | 7 |
| ML Mali | — | ≈310 est. | ≈1 in 63K | — | Delcastillo | 1 |
| CL Chile | — | ≈290 est. | ≈1 in 63K | — | Delcastillo | 7 |
| AG Antigua & Barbuda | #767 | — | — | — | Delcastillo | 1 |
10,160 people counted by INE — Padrón per-token widgets (current living counts, given + apellidos), counting the spelling del castillo. 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; 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).
How to address them(machine-generated)
Evidence(measured from records)
Attested in 6 sources across 2 countries.
| Country | Register | Year | Count | Rank |
|---|---|---|---|---|
| US United States | Census Bureau — Surname Frequency 2020 | 2020 | 4.1K | #7,726 |
| US United States | Census Bureau — Surname Frequency 2010 | 2010 | 4K | #8,254 |
| US United States | Census Bureau — Surname Frequency 2000 | 2000 | 3.1K | #9,502 |
| UY Uruguay | INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public) | — | 62 | — |
| US United States | wru Name Dictionary — US surnames, Census 2010 subset (Khanna et al.) | — | — | — |
Reference works 1
- 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 Delcastillo mean, and where does it come from?
- Borrowed from Spanish del Castillo (literally “from the castle”). Recorded by Wiktionary.
- How do you pronounce Delcastillo?
- A machine transcription gives /dɛɫkɑˈstɪɫoʊ/ (IPA) for English.
- In which country does Delcastillo have the most bearers?
- In Spain, the national register counted about 10 thousand people named Delcastillo, more than in any other country we hold, where it is most often spelled delcastillo.
- Where is Delcastillo most common?
- Measured as a share of residents rather than as a count, Delcastillo is densest in Uruguay — about 1 in 3.4 thousand people — even though Spain holds more of our records for it.
- How common is the name Delcastillo?
- In Spain, the national register counted 10,160 people named Delcastillo, about 1 in 4.9 thousand residents.
- How common is Delcastillo compared with other names?
- In Antigua & Barbuda, Delcastillo is the 767th most common surname of 30,187 surnames recorded there.
What do you want to know about Delcastillo?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl -H "X-API-Key: YOUR_KEY" https://api.mondonomo.ai/api/v1/name-graph/delcastilloThe 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, “Delcastillo” — the 767th most common surname in Antigua & Barbuda. Data snapshot 2026-10-10.