Onica

given name · Latin script

A female name· listed as female by the registers that count names by sex

(measured from records)Officially recorded in 19 countries

/ɒnɪkɐ/(machine-generated) pronunciation, model-generated

Onica is a female given name written in the Latin script, with more bearers in South Africa than in any other country. In Guyana it is the 78th most common given name.

rarermore common
  • ZASouth Africa≈1 in 16K(inferred from the name graph)
  • USUnited States1 in 948K
  • GYGuyana1 in 2.4K

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.

South Africa (inferred from the name graph)

≈3,600 people, est.

Record sources
134 (measured from records)

corpus datasets behind its best-documented spelling

strongest: highest-authority source

1 in 2.4K (inferred from the name graph)

Guyana

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.

Attested in 1 language in the etymology graph.

Where in the world

(measured from records)

Onica 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 Onica is recorded, by country
CountryMost common spellingSources
ZA South Africa—≈3,600 est.≈1 in 16K—Onica23
RO Romania—≈990 est.≈1 in 22K—Onica22
PK Pakistan—≈670 est.≈1 in 351K—Onica1
US United States—3511 in 948K347Onica134
GY Guyana#783071 in 2.4K307Onica3
TT Trinidad & Tobago—≈76 est.≈1 in 16K—Onica7
JM Jamaica—≈21 est.≈1 in 132K—Onica4

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. 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)

Onica is also recorded as 4 other names, grouped separately because the records behind them do not connect to the one described above.

  • French given name4 spellings in the group

    Most recorded in France, South Africa, United States

    Also written Ónica, Onică

  • a separate name3 spellings in the group

    Also written Onică, Ónica

  • Norwegian given name5 spellings in the group

    Most recorded in United States, South Africa

    Languages: Norwegian, Swedish, Danish

    Also written Onică

  • a separate name2 spellings in the group

    Also written Ónica

52 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 Onica,

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)

24 registers and reference works attest this spelling, across 19 countries.

Official registers attesting Onica
CountryRegisterYearCountRank
US United Stateswru Name Dictionary — US surnames, voter-file supplement (Khanna et al.)———

Reference works 1

  • Wikidata name items (native-script + romanized given/family names)

These works list the name; their figures are licensed and are not reproduced here.

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

Frequently asked questions

How do you pronounce Onica?
A machine transcription gives /ɒnɪkɐ/ (IPA) for English.
Is Onica a male or female name?
Onica is a female name. National registers that list it by sex list it as female: United States (Census Bureau, 2020).
In which country does Onica have the most bearers?
Mondonomo estimates about 3.6 thousand people named Onica in South Africa, more than in any other country we hold, where it is most often spelled onica.
Where is Onica most common?
Measured as a share of residents rather than as a count, Onica is densest in Guyana — about 1 in 2.4 thousand people — even though South Africa holds more of our records for it.
How common is the name Onica?
In the United States, the national register counted 351 people named Onica in 2020, about 1 in 948 thousand residents.
How common is Onica compared with other names?
In Guyana, Onica is the 78th most common given name of 15,440 given names recorded there.

What do you want to know about Onica?

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

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, “Onica” — the 78th most common given name in Guyana. Data snapshot 2026-10-13.

See how Onica parses inside a full name →