Girl Name · Irish Origin
Kaci
Last reviewed: June 2026
Kaci is a girl baby name of Irish origin, meaning "Vigilant, alert". It currently sits in the Rare tier of US baby names for 2026, and parents who love Kaci often also consider Kace.
Names like Kaci
Frequently asked about Kaci
What does the name Kaci mean?
Kaci means "Vigilant, alert" and is of Irish origin.
What is the origin of Kaci?
Kaci originates in Irish naming tradition.
How do you pronounce Kaci?
Kaci has 4 letters and is most commonly stressed on the first syllable.
Is Kaci a boy's or girl's name?
Kaci is primarily used as a girl's name in US records.
How popular is Kaci in 2026?
In our 2026 popularity tracker, Kaci sits in the Rare tier — an uncommon, standout choice.
What names are similar to Kaci?
Names that share Kaci's sound and style include Kace, Kasey, Kacie, Kacey, Kacy.