Cairús

surname · Latin script

Cairús is a surname written in the Latin script, with more bearers in Uruguay than in any other country.

rarermore common
  • UYUruguay1 in 5K(measured from records)
  • GTGuatemala≈1 in 261K
  • DODominican Republic≈1 in 799K

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.

Uruguay (measured from records)

684 people

Sources
39 (measured from records)

Highest-authority source

1 in 5.0K (inferred from the name graph)

Uruguay

measured from records inferred from the name graph

Spellings & scripts(measured from records)

One other spelling is counted as the same name:

Locally spelled Cairus in UY Uruguay, US United States, BR Brazil 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

No verified etymology recorded for this name yet — the entries below are drawn from usage statistics and the name graph.

Attested across 8 languages in the etymology graph.

Where in the world(measured from records)

Cairús 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 Cairús is recorded, by country
CountryMost common spellingSources
UY Uruguay#9826841 in 5K684Cairus22
GT Guatemala—≈66 est.≈1 in 261K—Cairus2
BR Brazil—591 in 3.6M59Cairus19
US United States—≈38 est.≈1 in 8.8M—Cairus39
DO Dominican Republic—≈13 est.≈1 in 799K—Cairus4
CH Switzerland—61 in 1.4M6—1

684 people counted by INE Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public). 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 Uruguay — Apellidos más frecuentes 1902–2024 (Tableau Public); IBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname); BFS — Familiennamen der Wohnbevölkerung (surnames). 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

None of the official registers or reference works in our corpus lists Cairús under this spelling. The statistics on this page rest on person records, and the related names are inferred from the name graph.

Frequently asked questions

In which country does Cairús have the most bearers?
In Uruguay, the national register counted about 684 people named Cairús, more than in any other country we hold, where it is most often spelled cairus.
Where is Cairús most common?
Cairús is densest in Uruguay, where the national register counts about 1 in 5.0 thousand people carrying it.
How common is the name Cairús?
In Uruguay, the national register counted 684 people named Cairús, about 1 in 5.0 thousand residents.
How common is Cairús compared with other names?
In Uruguay, Cairús is the 982nd most common surname of 57,630 surnames recorded there.

What do you want to know about Cairús?

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

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, “Cairús” — the 982nd most common surname in Uruguay. Data snapshot 2026-10-10.

See how Cairús parses inside a full name →