Watchful or alert
Kaci is a modern phonetic spelling of the Irish surname Casey, derived from the Gaelic 'O Cathasaigh'. It historically signifies one who is vigilant or watchful. While it gained popularity in the late 20th century as a spunky alternative to more traditional names, it remains a rare choice today.
About 88 girls were named Kaci in 2025.
American singer-songwriter and dancer
Miss Universe Jamaica 2014
American pop singer
US births per 5-year period, 1990–present (SSA data).
The same feel as Kaci — far less common.
Hidden gems that stand out.
