Jaci

Meaning & origin●

Attested in 1 language in the etymology graph.

Languages●

Language is read off each record's context, not declared by the bearer; a share is of all records for this spelling.

Other names spelled this way◐

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 name40K records spelled Jaci7 spellings in the group

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

  Languages: English, German, Dutch

  Also written Ja'Ci, Jącį, Jäcï

• a separate given name1.6K records spelled Jaci2 spellings in the group

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

  Also written Jací

• French given name325 records spelled Jaci2 spellings in the group

  Most recorded in United States, France, Canada, Belgium

  Also written Jacì

• Italian given name80 records spelled Jaci3 spellings in the group

  Most recorded in United States, India

  Also written Aci, 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●

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.

Over time●

US SSA — National Baby Names (1880–present) — 79 years between 1934–2025. One register's own figures, never a sum across registers: two registers counting the same people would double them.

Notable people with this name●

• 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).

Evidence●

Register rows as of the 2026-09-12 data build · 138 rows in the corpus for this spelling.

Frequently asked questions

How common is the name Jaci?

We estimate roughly 21 thousand people bear Jaci (counting its spellings and scripts) across 6 countries in our records.

In which country does Jaci have the most bearers?

We estimate about 17 thousand people bear Jaci in Brazil, more than in any other country in our records, 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.

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 does the name Jaci mean?

Recorded meaning: a female given name from Old Tupi