Illesca
surname · Latin script
Recorded for both men and women· direction only, no split published
Illesca is a surname written in the Latin script, with more bearers in Argentina than in any other country.
- CLChile≈1 in 20K(inferred from the name graph)
- ARArgentina1 in 28K
- PEPeru≈1 in 70K
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.
- Argentina (measured from records)
- Sources
- 45 (measured from records)
- ≈1 in 20K (inferred from the name graph)
1,609 people
Highest-authority source
Chile, est.
measured from records inferred from the name graph
Meaning & origin
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Where in the world(measured from records)
Illesca 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.
1,609 people counted by RENAPER — Apellidos (person counts, national). 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: RENAPER — Apellidos (person counts, national); INE — Padrón per-token widgets (current living counts, given + apellidos); INE — Apellidos más frecuentes (Padrón Municipal); 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).
Evidence(measured from records)
No register attests this spelling yet
Register rows as of the 2026-10-09 data build.
Frequently asked questions
- In which country does Illesca have the most bearers?
- In Argentina, the national register counted about 1.6 thousand people named Illesca, more than in any other country we hold, where it is most often spelled illesca.
- How common is the name Illesca?
- In Argentina, the national register counted 1,609 people named Illesca, about 1 in 28 thousand residents.
- How common is Illesca compared with other names?
- In Chile, Illesca is the 893rd most common surname of 94,777 surnames recorded there.
What do you want to know about Illesca?
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/illescaThe same 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), and bulk access is licensed separately.
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, “Illesca” — the 893rd most common surname in Chile. Data snapshot 2026-10-10.