"the moon"
Origin: Tupi-Guarani
Language: Portuguese
Jaci
Does Jaci flow with your last name?
A Brazilian moon goddess name with mystical indigenous roots
Brazilian
American
Whimsical
Earthy
Playful
Unique
Reviewed by the NamingEverything Editorial Team · Updated
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Meaning & Origin
"hyacinth"
Origin: Greek
Language: English
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The Story of Jaci
Jaci has two possible origins. In Tupi-Guarani mythology, Jacy (also spelled Yacy or Jaci) is the moon goddess—a central figure in indigenous Brazilian cosmology who gave life to plants and protected lovers under the night sky. Alternatively, Jaci can be seen as a phonetic spelling of Jacey, from the Greek hyacinth flower or as a diminutive of Jacinda. The Tupi-Guarani origin gives this name a rare indigenous American mythology connection.
Jaci gained recognition in Brazil where it honors indigenous tradition, and among American parents seeking short, nature-connected names. The moon goddess association has given it particular appeal among families interested in mythology and earth-centered spirituality.
In Tupi-Guarani tradition, Jacy (the Moon) is one of the most important deities, paired with Guaraci (the Sun). The moon was seen as a guardian of night travelers, a symbol of feminine cycles, regeneration, and the keeper of natural beauty.
Historical Record
Jaci first appeared in US Social Security records in 1950.
Over 5,070 babies have been named Jaci in the United States since SSA records began.
Today, Jaci is past its peak , currently ranked #3,182 for girl names in the US .
Fun Facts
- In Tupi-Guarani mythology, the moon goddess Jaci transformed a mortal girl into the first water lily out of love
- Yacy means moon in the Guarani language spoken across Brazil, Paraguay, and Argentina
Jaci in Other Languages
English
Jacey
Guarani
Yacy
Portuguese
Jaci
Popularity Over Time
#3,182
Current Rank
Stable
Trend
Peaked 2005
Based on SSA data 1880–present
Year-by-year popularity data will be available soon.
Famous People Named Jaci
J
Jaci Velasquez
Musician
1979
American Christian pop and Latin singer with multiple top-10 Christian hits in the 1990s and 2000s
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Compare Jaci with:
Quick Facts
- Gender
- Girl
- Syllables
- 2
- Popularity Rank
- #3,182
- Total SSA Count
- 50
- Cultural Origins
- Brazilian American
- Pronunciation
- Moderate
- Formality
- Casual
- Cross-Cultural Ease
- Moderate
Alternative Spellings
Common Nicknames
Jac
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, smooth 2-1 syllable flow
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Timeless choice, American heritage match, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, American heritage match, extended 2-3 combo
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Timeless choice, smooth 2-2 syllable flow
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Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, American heritage match, extended 2-3 combo
-
Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Jaci
7 name pairings with syllable flow tips
Sibling Names
Sibling Match
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Irish Gaelic origin
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Middle English occupational origin
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Frequently Asked Questions About Jaci
What does the name Jaci mean?
"the moon" (from Tupi-Guarani). "hyacinth" (from Greek). Jaci has two possible origins. In Tupi-Guarani mythology, Jacy (also spelled Yacy or Jaci) is the moon goddess—a central figure in indigenous Brazilian cosmology who gave life to plants and protected lovers under the night sky. Alternatively, Jaci can be seen as a phonetic spelling of Jacey, from the Greek hyacinth flower or as a diminutive of Jacinda. The Tupi-Guarani origin gives this name a rare indigenous American mythology connection.
What is the origin of the name Jaci?
Jaci has Tupi-Guarani, Greek, Brazilian, and American origins. In Tupi-Guarani, it means "the moon". In Greek, it means "hyacinth".
Is Jaci a boy or girl name?
Jaci is primarily used as a girl name.
How popular is the name Jaci?
Jaci is currently ranked #3182 in popularity for girl names in the United States.
What are common nicknames for Jaci?
Common nicknames for Jaci include Jac.
What are good middle names for Jaci?
Popular middle name pairings include Jaci Rose, Jaci Lynn, Jaci Marie, Jaci Ann, Jaci Elaine, Jaci Hope, and Jaci Leigh.
What are good sibling names for Jaci?
Names that pair well with Jaci as siblings include Koda, Zuri, Beau, Sage, Lila, and Finn.
How many syllables does Jaci have?
Jaci has 2 syllables, making it easy to say and remember.
Is Jaci a common or rare name?
Jaci is an uncommon name, ranked #3182 in the US. Its rarity gives it a distinctive, memorable quality.
What girl names are similar to Jaci?
Are there other spellings for Jaci?
About the Name Jaci
Jaci is a girl name with Brazilian and American origins . The name means "the moon" in Tupi-Guarani .
Jaci is currently ranked #3,182 in popularity for girl names in the United States.
The name Jaci has 2 syllables, making it easy to pronounce and remember.
Common nicknames for Jaci include Jac. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Jaci include Jacqueline, Jacqueli, Jacey, Jackie, Jacquelyn . Each spelling variation gives the name a slightly different character while preserving its sound and meaning.
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Sources
- U.S. Social Security Administration — National Baby Names Data (popularity rankings and historical trends)
- Behind the Name (etymology and meaning research)
- NamingEverything editorial research and analysis