Kacy
Meaning
"vigilant, watchful"
Origin: Irish Gaelic (Cathasaigh)
Cultural Roots
Quick Stats
- Popularity Rank
- #6,085
- Total SSA Count
- 20
- Syllables
- 2
- Formality
- Casual
- Nicknames
- Kay, K
Baby Name Comparison — 2026
"vigilant, watchful"
Origin: Irish Gaelic (Cathasaigh)
"story, tale, narrative"
Origin: Sanskrit
Kahani is more popular, ranked #6006 vs #6085 for Kacy.
Historical US popularity rank — lower number means more popular.
Historical trend data not available for this comparison.
Names that pair well as siblings.
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Kahani is more popular, ranked #6006 compared to Kacy at #6085 in the United States.
Kacy means "vigilant, watchful" (Irish Gaelic (Cathasaigh) origin). Kahani means "story, tale, narrative" (Sanskrit origin).
Kacy is primarily a girl name. Kahani is primarily a girl name.