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)
"lily flower (purity, beauty)"
Origin: Latin via English
Kacy is more popular, ranked #6085 vs #6153 for Lilymae.
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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Kacy is more popular, ranked #6085 compared to Lilymae at #6153 in the United States.
Kacy means "vigilant, watchful" (Irish Gaelic (Cathasaigh) origin). Lilymae means "lily flower (purity, beauty)" (Latin via English origin).
Kacy is primarily a girl name. Lilymae is primarily a girl name.