Gaïus

given name · Latin script

Recorded as a male name· opposite-gender records fall within measured source noise

Gaïus is a given name written in the Latin script, with more bearers in Nigeria than in any other country.

rarermore common
  • NGNigeria≈1 in 36K(inferred from the name graph)
  • USUnited States1 in 668K
  • CMCameroon≈1 in 38K

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.

Nigeria (inferred from the name graph)

≈6,000 people, est.

Sources
125 (measured from records)

Highest-authority source

≈1 in 36K (inferred from the name graph)

Nigeria, est.

measured from records inferred from the name graph

Name dossier (print, CSV)

Spellings & scripts(measured from records)

One other spelling is counted as the same name:

Locally spelled Gaius in US United States, NG Nigeria, CD Congo - Kinshasa and 1 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)

recorded in Korean

2세기경의 로마 법학자(?110～?180).

Sources 3

  • 국립국어원 외래어 표기 용례 자료 (NIKL loanword/foreign-name transcription examples)
  • Biblical Names Compiled Database
  • Nordic Names

Attested across 22 languages in the etymology graph.

Where in the world(measured from records)

Gaïus 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 Gaïus is recorded, by country
CountryMost common spellingSources
NG Nigeria≈6,000 est.≈1 in 36K—Gaius43
UG Uganda≈1,000 est.≈1 in 43K1—2
CD Congo - Kinshasa≈860 est.≈1 in 118K—Gaius5
CM Cameroon≈720 est.≈1 in 38K—Gaius3
US United States4981 in 668K492Gaius125
GA Gabon≈21 est.≈1 in 108K1——
GY Guyana71 in 107K7—1

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 — First Name Frequency 2020 by sex; Guyana — Official List of Electors July 2025; Ministere de l'Interieur — 2025 candidate lists (local + legislative); Wikidata humans by citizenship — given & family names. 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)

Gaïus is also recorded as 3 other names, grouped separately because the records behind them do not connect to the one described above.

  • Indonesian given name2 spellings in the group

    Most recorded in Nigeria, Indonesia, Philippines

    Also written Gaius

  • Spanish given name5 spellings in the group

    Most recorded in Philippines, United States, Nigeria, Brazil

    Languages: Spanish, Italian, Portuguese

    Also written Gaius

  • Greek name6 spellings in the group

    Most recorded in Greece

    Also written Gaius, Gaios, Γαιος, Γάιος, Caius

1 further group 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.

Evidence(measured from records)

Attested in 2 sources across 2 countries.

Official registers attesting Gaïus
CountryRegisterYearCountRank
GA GabonMinistere de l'Interieur — 2025 candidate lists (local + legislative)20251#95

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

Frequently asked questions

Is Gaïus a male or female name?
Gaïus is a male name in our records. Opposite-gender entries fall within the cross-gender noise we measure in the source data, so we don't report them as usage.
In which country does Gaïus have the most bearers?
Mondonomo estimates about 6.0 thousand people named Gaïus in Nigeria, more than in any other country we hold, where it is most often spelled gaius.
How common is the name Gaïus?
In the United States, the national register counted 498 people named Gaïus in 2020, about 1 in 668 thousand residents.

What do you want to know about Gaïus?

Nobody replies to these one by one, but what readers ask decides what these pages answer next.

Please leave out anyone's personal details (see Privacy).

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

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, “Gaïus”. Data snapshot 2026-10-10.

See how Gaïus parses inside a full name →