Jaci

Meaning & origin●(measured from records)

Attested in 1 language in the etymology graph.

Other names spelled this way◐(inferred from the name graph)

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

• English given name7 spellings in the group

  Most recorded in United States, United Kingdom, Australia, Canada

  Languages: English, German, Dutch

  Also written Ja'Ci, Jącį, Jäcï

• a separate name2 spellings in the group

  Also written Jací

• French given name2 spellings in the group

  Most recorded in France, United States, Canada, Belgium

  Also written Jacì

• Italian given name2 spellings in the group

  Most recorded in United States, Italy

  Also written Jáci

40 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.

Other recorded senses●(measured from records)

Jaci is also recorded in 3 other lexicons, as a different name or as an ordinary word. These are senses of the spelling, not of the name above.

• In Serbo-Croatian, nominative/vocative plural of jadac

  as a word·kaikki.org Wiktionary extract (IPA + transliterations)

• In Latin, present passive infinitive of jaciō

  as a word·kaikki.org Wiktionary extract (IPA + transliterations)

• In Czech, nominative/vocative plural of jak

  as a word·kaikki.org Wiktionary extract (IPA + transliterations)

Ordered by how much of this spelling's record each language holds, so a sense from a language the name is barely used in sits last rather than first.

Notable people with this name●(measured from records)

• Jaci Antonio Louzada Tupi Caldasb. 1898BRBrazilian paleontologist
• Jaci Figueiredob. 1901BRBrazilian politician
• Jaci Hargreavesb. 1931BRBrazilian architect (1931-2008)
• Jaci Bezerrab. 1942BRBrazilian poet, writer and sociologist
• Jaci Tadeu da Silvab. 1963BRpolitician from Brazil
• Jaci M. VieiraBRBrazilian entomologist

The ten people covered by the most Wikipedia language editions — a proxy for cross-cultural notability, which favours historical and Western figures over equally prominent contemporary ones — shown by birth year. Source: Wikidata (CC0).

How to address them○(machine-generated)

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)

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

Frequently asked questions

How do you pronounce Jaci?

A machine transcription gives /ʒasi/ (IPA) for Portuguese.

What does the name Jaci mean, and where does it come from?

a female given name from Old Tupi Recorded by kaikki.org Wiktionary extract (IPA + transliterations).

Is Jaci a male or female name?

Jaci is a female 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.

What are other forms of the name Jaci?

In the etymology graph, Jackie, Jacqui and Jacki are forms of the same name in other languages; it is recorded as a short form of Jacqueline and Jaclyn.

In which country does Jaci have the most bearers?

In Brazil, the national register counted about 17 thousand people named Jaci, more than in any other country we hold, where it is most often spelled jaci.

Where is Jaci most common?

Jaci is densest in Brazil, where the national register counts about 1 in 13 thousand people carrying it.

How common is the name Jaci?

In Brazil, the national register counted 16,640 people named Jaci in 2022, about 1 in 13 thousand residents.