US Popularity Rank: 3704

Origin: Modern

Meaning: Vigilant, watchful

If you envision baby being a fizzing bundle of energy, then the modern girl’s name Kacie will sum up their essence. This punchy name can be traced back to the Irish last name Ó Cathasaigh, which in turn led to the name Casey. Meaning "vigilant" or "watchful," it's perfect for a little one that's always on the move. Kacie can be a diminutive of Acacia, as well as an alternative to Kaycee or Kasey.