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Meaning of the nameJaci

Jaci is a Brazilian name of Tupi origin, used by women and men, that comes from the Tupi word for 'moon'.

Meaning

“moon”

Source: Behind the Name: Jaci (2) · Wiktionary: îasy (Old Tupi)

People (2022)
16,640
Rank in Brazil
#1,199
Median age
63 years
2010 Census
22,338
people

Jaci in the 2022 Census

People with the first name Jaci, by the decade they were born. In the chart, 70 = the 1970s and 20+ = 2020 to 2022. The largest group was born in the 1950s (4,386 people).

10,094 women 6,546 men

Source: IBGE, 2022 Demographic Census, Nomes no Brasil. The census counts the first name of people alive in 2022; small counts are not published, and the first group covers everyone born before 1940. How to read these data.

Where the name Jaci is most common

States with the highest share of people named Jaci in the population, in the 2022 Census.

  1. Bahia 0.018%
  2. Amapá 0.017%
  3. Rio Grande do Sul 0.016%
  4. Espírito Santo 0.012%
  5. Tocantins 0.012%
All states
StatePeople% of population
São Paulo2,7680.006%
Bahia2,5840.018%
Minas Gerais2,0730.010%
Rio Grande do Sul1,7180.016%
Rio de Janeiro1,1290.007%
Santa Catarina8640.011%
Paraná8400.007%
Goiás7980.011%
Pernambuco5880.007%
Pará4650.006%
Espírito Santo4590.012%
Mato Grosso3360.009%
Alagoas2180.007%
Mato Grosso do Sul1920.007%
Maranhão1890.003%
Tocantins1790.012%
Sergipe1780.008%
Distrito Federal1690.006%
Rondônia1640.010%
Paraíba1520.004%
Rio Grande do Norte1450.004%
Amapá1220.017%
Piauí1130.004%
Amazonas890.002%
Ceará660.001%
Roraima220.004%
Acre200.002%

States with fewer than 15 people with the name are not shown: IBGE does not publish those counts.

About the name Jaci

Behind the Name derives Jaci from Tupi îaçy, 'moon', and Wiktionary records îasy as the Old Tupi word for 'moon', which the Vocabulário na Língua Brasílica writes jaci. The morpheme list of the Dicionário de Nomes em Uso no Brasil (Dictionary of Names in Use in Brazil) also links the element Jaci-, from names such as Jacira and Jaciara, probably to Tupi ya'sü, 'moon'. The same dictionary lists Jacy, Jacir, Jacyr and Gaci among the spelling variants of Jaci. In the 2022 Census, IBGE recorded 16,640 people named Jaci, mostly women, with a median age of 63.

The most common spelling in the group, with a final i.

Other spellings of Jaci

SpellingPeople (2022)
Jaci16,640
Jacy4,637

Sources

  1. Behind the Name: Jaci (2) · behindthename.com · meaning
  2. Wiktionary: îasy (Old Tupi) · en.wiktionary.org · meaning
  3. Dicionário de Nomes em Uso no Brasil: Morfemário (JACI-, JACY-) · dicionariodenomesdobrasil.com.br · origin
  4. Wiktionary: Jaci · en.wiktionary.org · origin
  5. Wiktionary: Jacy · en.wiktionary.org · spelling
  6. Dicionário de Nomes em Uso no Brasil: Jaci · dicionariodenomesdobrasil.com.br · spelling

Questions about the name Jaci

What does the name Jaci mean?

Jaci means “moon”, according to Behind the Name and Wiktionary.

How many people are named Jaci in Brazil?

IBGE's 2022 Census recorded 16,640 people with the first name Jaci, which ranks it number 1,199 among the country's names. The largest group was born in the 1950s.

Is Jaci a boy's or a girl's name?

Jaci is used by both men and women: in the 2022 Census, 10,094 women and 6,546 men had this name.

What is the origin of the name Jaci?

Jaci is a name of Tupi origin. The sources are listed at the end of the page.

In which Brazilian state is Jaci most common?

Proportionally, in Bahia: 0.018% of the state's population is named Jaci (2,584 people), according to the 2022 Census.

What are the other spellings of Jaci?

Jacy. IBGE counts each spelling separately.

More names of Tupi origin

See all

Spotted a mistake? Report a correction for Jaci with a source. See the methodology.