Sïso
given name · Latin script
Recorded as a male name· opposite-gender records fall within measured source noise
Sïso is a given name written in the Latin script, with more bearers in Spain than in any other country.
- ESSpain1 in 57K(measured from records)
- UYUruguay1 in 79K
- ARArgentina1 in 355K
carrying the name, as counted by each country's national register. One hue, darker where it is more common; hover a country for its figure.
- Spain (measured from records)
- Sources
- 54 (measured from records)
- 1 in 57K (inferred from the name graph)
879 people
Highest-authority source
Spain
measured from records inferred from the name graph
Spellings & scripts(measured from records)
One other spelling is counted as the same name:
Locally spelled Siso in ES Spain, US United States.
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
No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.
Attested across 12 languages in the etymology graph.
Where in the world(measured from records)
Sïso 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.
879 people counted by INE — Padrón per-token widgets (current living counts, given + apellidos). 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: INE — Padrón per-token widgets (current living counts, given + apellidos); INE — Apellidos más frecuentes (Padrón Municipal); Census Bureau — Surname Frequency 2010; Census Bureau — Surname Frequency 2020; IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname); RENAPER — Apellidos (person counts, national); INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public); Skatteverket — Sök hur många som har ett visst namn (living population); DVV — Nimipalvelu (Finnish name service, per-name lookup). 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
Frequently asked questions
- Is Sïso a male or female name?
- Sïso is recorded for both men and women. We don't publish a percentage split: a record's gender belongs to the person and is attached to every given name on that record, so names in cultures where a name string also carries a parent's or spouse's given name pick up large cross-gender counts.
- In which country does Sïso have the most bearers?
- In Spain, the national register counted about 879 people named Sïso, more than in any other country we hold, where it is most often spelled siso.
- Where is Sïso most common?
- Sïso is densest in Spain, where the national register counts about 1 in 57 thousand people carrying it.
- How common is the name Sïso?
- In Spain, the national register counted 879 people named Sïso, about 1 in 57 thousand residents.
What do you want to know about Sïso?
Nobody replies to these one by one, but what readers ask decides what these pages answer next.
Query this name via API
curl https://api.mondonomo.ai/api/v1/name-graph/s%C3%AFsoThe same payload this page is built from: spellings and scripts, countries and languages, related names, and the registers that attest the form. Rate-limited for casual use; a free API key gives 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, “Sïso”. Data snapshot 2026-10-10.