NameRealm
Kacy

Kacy: name meaning, origin & popularity

Meaning
“vigilant; watchful”
Origin
Irish
Say it
KAY-see · 2 syllables
Used for
Girls (84% of all uses)

Variant spelling of Casey, from an Irish surname derived from Cathasaigh. The original sense is commonly given as 'vigilant' or 'watchful'.

Irish namesEnglish namesAmerican namesNames meaning wisdomModern namesSurname-style namesShort names

How popular is Kacy?

20249.0 per million US babies
1880192019602000
Drag the line or the slider to read any year. Values are per million US births recorded by Social Security. Records before about 1937 undercount births, so early peaks can look taller than they were.

Babies named Kacy in 202430

Peak year1992

Total US babies since 18806,025

Kacy is fading: recent use is about 59% of its level ten years before.

Names like Kacy

Variants, related forms and names with the same roots.

  • Caseyvigilant · Irish
  • Kaycemodern spelling of Casey · American (modern coinage)
  • Kaceyvigilant; watchful · Irish
  • Kaseyvigilant, watchful · Irish
  • Kacievigilant · Irish
  • Kacivigilant; watchful · English
  • Quinndescendant of Conn · Irish
  • Maeveshe who intoxicates · Irish

Kacy questions

What does the name Kacy mean?

Kacy means "vigilant; watchful". It comes from Irish. Variant spelling of Casey, from an Irish surname derived from Cathasaigh. The original sense is commonly given as 'vigilant' or 'watchful'.

Is Kacy a boy or girl name?

Kacy is mainly a girl's name in US records (84% of uses since 1880).

How popular is Kacy?

30 US babies were named Kacy in 2024. Its peak year was 1992.

How do you pronounce Kacy?

Kacy is usually pronounced KAY-see.

Birth counts: US Social Security Administration national data, 1880–2024 (names given to 5+ babies of a sex in a year). How we write meanings.