Name meaning & stats
Kacy
Kacy means “vigilant (debated)”. 6,047 US babies since 1940, peak 1990.
What it means
“vigilant (debated)”
Spelling of Kasey
In US birth records
Peak year: 1990
6,047 US babies were named Kacy between 1940 and 2025.
Careers
Not enough notable people named Kacy (or its spelling family) to say anything reliable yet. That's a gap in the data, not the name.
Spelling family
1 in 27 Kaseys spell it Kacy
Names that sound the same, grouped by Heyotag. Share of US babies since 1940.
Name twins (peaked around 1990)