US Popularity Rank: 2119

Origin: American

Meaning: Vigilant; Watchful

Kaycee is a feminine name of American origin that is derived from the Irish monikers Casey and Kacie. Stemming from the Irish names Ó Cathasaigh or Cathassach, it means “vigilant” and “watchful,” two attributes you’d want to place upon your little one. Kaycee is a name that is going places. Since its explosion in the 1950s, this name has been on the rise before slightly plateauing in recent years. If you’re looking for a trendy alternative to the Casey and Kacies of the world, Kaycee is a fitting choice.