Gilian

given name · Latin script

Used for both men and women, depending on the country· national registers that list names by sex disagree

  • Brazil (Brasil.IO genero-nomes (IBGE Censo 2010 mirror, CC-BY-SA)): listed under both sexes
  • Netherlands (Meertens NVB): listed as male
  • United States (Census Bureau, 2020): listed as female

(measured from records)Officially recorded in 15 countries · latest register: Guyana, 2025

/ʒiljɐn/(machine-generated) Portuguese · model-generated

Say it in

Gilian is a given name used for both men and women, depending on the country, written in the Latin script, with more bearers in Brazil than in any other country.

  • NLNetherlands1 in 48K(measured from records)
  • GYGuyana1 in 50K
  • CLChile≈1 in 180K

carrying the name, as counted by its national register where one exists and as Mondonomo estimates it elsewhere (marked ≈ and "est." on hover). Countries with no figure are shown too: flat where a national register lists the name without counting it, hatched where only our records hold it. One hue, darker where it is more common; hover a country for its figure.

Brazil (measured from records)

608 people, 2022

Record sources
98 (measured from records)

corpus datasets behind its best-documented spelling

strongest: highest-authority source

1 in 48K (inferred from the name graph)

Netherlands

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.

Cited for this meaning 1

Where in the world

(measured from records)

Gilian 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 Gilian is recorded, by country
CountryMost common spellingSources
BR Brazil6081 in 348K628Gilian51
CM Cameroon≈480 est.≈1 in 61K—Gilian2
NL Netherlands3631 in 48K338Gilian23
ZA South Africa≈250 est.≈1 in 259K—Gilian7
GB United Kingdom≈180 est.≈1 in 390K—Gilian64
CL Chile≈110 est.≈1 in 180K1——
BE Belgium≈99 est.≈1 in 119K22Gilian14
GY Guyana151 in 50K15Gilian1

608 people counted by IBGE — names by decade (Kaggle mirror), 2022. 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: IBGE — names by decade (Kaggle mirror); IBGE — Nomes (census name API); Meertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018); Familienaam.be — Belgian family-name frequency (population register); Guyana — Official List of Electors July 2025; SRCEI — Nombres más comunes (guaguas, 1920–2021). 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)

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

  • Spanish given name3 spellings in the group

    Most recorded in Peru, Chile, Philippines, United States

    Also written Gilián, Gïlïan

  • a separate name2 spellings in the group

    Also written Gílian

  • Slovak surname3 spellings in the group

    Most recorded in Slovakia

    Also written Gilián

34 further groups 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.

How to address them

(machine-generated)
InformalHi Gilian,

A formal English salutation is built on the surname, so it needs a full name — on its own, a first name only supports the informal form.

Evidence

(measured from records)

21 registers and reference works attest this spelling, across 15 countries.

Official registers attesting Gilian
CountryRegisterYearCountRank
BR BrazilIBGE — Nomes (census name API)—628#12,395
BR BrazilIBGE — names by decade (Kaggle mirror)2022608—
BR BrazilIBGE — names by decade (Kaggle mirror)2010564—
BR BrazilBrasil.IO genero-nomes (IBGE Censo 2010 mirror, CC-BY-SA)—472#6,395
BR BrazilIBGE — names by decade (Kaggle mirror)2000462—
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)—457#11,685
NL NetherlandsMeertens NVB — Nederlandse Voornamenbank (all-time BRP bearer counts, 2018)—338#2,097
BR BrazilIBGE — names by decade (Kaggle mirror)1990287—
NL NetherlandsMeertens NVB — Nederlandse Voornamenbank (live per-name BRP counts, 1790-2017)—224#5,106
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)1980218—
BR BrazilIBGE — Censo 2022 Nomes no Brasil per-token lookup (v3 API, given+surname)1990175—
BR BrazilBrasil.IO genero-nomes (IBGE Censo 2010 mirror, CC-BY-SA)—162#16,208

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

Frequently asked questions

How do you pronounce Gilian?
It depends on the language: in Portuguese /ʒiljɐn/; in Spanish /xiljan/. Transcriptions are machine-generated except where a dictionary is named.
Is Gilian a male or female name?
Gilian is used for both men and women, depending on the country. National registers that list names by sex disagree: Brazil (Brasil.IO genero-nomes (IBGE Censo 2010 mirror, CC-BY-SA)): listed under both sexes; Netherlands (Meertens NVB): listed as male; United States (Census Bureau, 2020): listed as female. We don't publish a percentage split.
In which country does Gilian have the most bearers?
In Brazil, the national register counted about 608 people named Gilian, more than in any other country we hold, where it is most often spelled gilian.
Where is Gilian most common?
Measured as a share of residents rather than as a count, Gilian is densest in the Netherlands — about 1 in 48 thousand people — even though Brazil holds more of our records for it.
How common is the name Gilian?
In Brazil, the national register counted 608 people named Gilian in 2022, about 1 in 348 thousand residents.

What do you want to know about Gilian?

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

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, “Gilian”. Data snapshot 2026-10-13.

See how Gilian parses inside a full name →