"moon, moonlight"
Origin: Tupi-Guarani
Language: Portuguese/Spanish
Jacy
Does Jacy flow with your last name?
A moonlit name from indigenous South American tradition
Native American
American
Indigenous
Earthy
Spiritual
Gentle
Whimsical
Unique
Reviewed by the NamingEverything Editorial Team · Updated
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Nicknames
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Meaning & Origin
"moon goddess"
Origin: Indigenous Brazilian
Language: Tupi
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The Story of Jacy
Jacy has origins in multiple traditions. In some Native American languages, particularly Tupi-Guarani, Jaci (also spelled Jacy) means moon or moonlight. In Guarani mythology, Jaci is the goddess of the moon and the protector of plants and lovers. The name has also been used as an elaborated form of the initial J.C. or as a feminine variant of Jason. Its multiple origins give it a layered, cross-cultural quality.
Jacy and its variants (Jacey, Jacie, Jaci) have remained quietly popular as an alternative to more common names like Casey or Lacey. Its appeal lies in its simplicity, its nature-adjacent meaning, and its versatility — it works across multiple cultural backgrounds without feeling appropriative.
In Tupi-Guarani indigenous tradition from Brazil and Paraguay, Jaci is the sacred moon goddess, and the name carries lunar symbolism of cycles, femininity, and protection. This indigenous South American heritage has given the name growing appeal among parents drawn to nature names with authentic cultural roots.
Historical Record
Jacy first appeared in US Social Security records in 1961.
Over 3,402 babies have been named Jacy in the United States since SSA records began.
Today, Jacy is past its peak , currently ranked #6,390 for girl names in the US .
Fun Facts
- In Tupi-Guarani mythology, Jaci (the moon goddess) fell in love with a mortal man and turned him into a star so they could be together
- The name Jacy appears in Brazilian poet Goncalves Dias 1851 poem I-Juca-Pirama, referencing indigenous mythology
- Jacy is one of few names with clear Native American / indigenous South American origins that has crossed into mainstream American use
Jacy in Other Languages
French
Jaci
English
Jacy
Spanish
Jaci
Portuguese
Jaci
Tupi-Guarani
Jaci
Popularity Over Time
#6,390
Current Rank
Stable
Trend
Peaked 1992
Based on SSA data 1880–present
Year-by-year popularity data will be available soon.
Famous People Named Jacy
J
Jaci Velasquez
Musician
1979
American Christian pop and Latin pop singer who had major hits in the late 1990s and early 2000s
J
Jaci (Moon Goddess) Fictional
Religious
Moon goddess in Tupi-Guarani mythology of indigenous Brazil and Paraguay, protector of plants, lovers, and night travele...
Moon goddess in Tupi-Guarani mythology of indigenous Brazil and Paraguay, protector of plants, lovers, and night travelers
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Compare Jacy with:
Quick Facts
- Gender
- Girl
- Syllables
- 2
- Popularity Rank
- #6,390
- Total SSA Count
- 19
- Cultural Origins
- Native American American Indigenous
- Pronunciation
- Easy
- Formality
- Casual
- Cross-Cultural Ease
- High
Alternative Spellings
Common Nicknames
Jay
Jace
Middle Name Ideas
Suggested pairings based on syllable flow and style
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Timeless choice, American heritage match, extended 2-3 combo
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Timeless choice, American heritage match, extended 2-3 combo
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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 2-1 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
-
Timeless choice, smooth 2-2 syllable flow
-
Timeless choice, smooth 2-2 syllable flow
Middle Names
Middle Names for Jacy
7 name pairings with syllable flow tips
Sibling Names
Sounds Like Jacy
Phonetic neighbors that share Jacy's rhythm, vowel shape, or consonant cluster. Tap any name to see its full "names like" list.
Sibling Match
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Also a Boy Name
Jacy is also used as a boy name, ranked #11138.
View Jacy as a boy name →Similar Names
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Middle Dutch/English origin
"small wild duck with blue-green plumage"
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Germanic origin
"steward, estate manager"
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Hebrew/Hawaiian origin
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Frequently Asked Questions About Jacy
What does the name Jacy mean?
"moon, moonlight" (from Tupi-Guarani). "moon goddess" (from Indigenous Brazilian). Jacy has origins in multiple traditions. In some Native American languages, particularly Tupi-Guarani, Jaci (also spelled Jacy) means moon or moonlight. In Guarani mythology, Jaci is the goddess of the moon and the protector of plants and lovers. The name has also been used as an elaborated form of the initial J.C. or as a feminine variant of Jason. Its multiple origins give it a layered, cross-cultural quality.
What is the origin of the name Jacy?
Jacy has Tupi-Guarani, Indigenous Brazilian, Native American, American, and Indigenous origins. In Tupi-Guarani, it means "moon, moonlight". In Indigenous Brazilian, it means "moon goddess".
Is Jacy a boy or girl name?
Jacy is used as both a girl and boy name. As a girl name, it is ranked #6390. As a boy name, it is ranked #11138. Jacy is more commonly used as a girl name.
How popular is the name Jacy?
Jacy is currently ranked #6390 in popularity for girl names in the United States.
What are common nicknames for Jacy?
Common nicknames for Jacy include Jay and Jace.
What are good middle names for Jacy?
Popular middle name pairings include Jacy Dawn, Jacy Rain, Jacy Rose, Jacy Skye, Jacy Mae, Jacy Lynn, and Jacy Faye.
What are good sibling names for Jacy?
Names that pair well with Jacy as siblings include Winona, Cheyenne, Dakota, Kai, Zephyr, River, Sage, and Luna.
How many syllables does Jacy have?
Jacy has 2 syllables, making it easy to say and remember.
Is Jacy a common or rare name?
Jacy is an uncommon name, ranked #6390 in the US. Its rarity gives it a distinctive, memorable quality.
What girl names are similar to Jacy?
Are there other spellings for Jacy?
About the Name Jacy
Jacy is a girl name with Native American, American, and Indigenous origins . The name means "moon, moonlight" in Tupi-Guarani .
Is Jacy a boy or girl name? Jacy is used as both a girl and boy name. As a girl name, it ranks #6,390 in popularity. As a boy name, it ranks #11,138. Jacy is more commonly used as a girl name.
Jacy is currently ranked #6,390 in popularity for girl names in the United States.
The name Jacy has 2 syllables, making it easy to pronounce and remember.
Common nicknames for Jacy include Jay and Jace. These shorter forms provide casual alternatives while keeping the elegance of the full name.
Alternative spellings of Jacy 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