US Popularity Rank: 24109

Origin: Gaelic

Meaning: Alert, watchful, vigilant

Watch out for this name! Kaysee is a feminine name of Irish and Gaelic origin. Derived from the gender-neutral Casey, this moniker is rooted in the Irish and Gaelic word cathasaigh, meaning “alert,” “vigilant,” or “watchful.” With a name like this, your little wide-eyed wonder is sure to take in the world around them with unfettered joy and care. Kaysee can also connect baby with their heritage and history while offering a unique and modern twist in terms of spelling that will work well today.