Watchful, alert, or pure
Kaysee is a modern phonetic spelling of the Irish surname Casey, meaning 'vigilant' or 'watchful.' It is also frequently used as a creative variation of the initials K.C. or as a diminutive of Katherine, which means 'pure.'
Fewer than 5 girls were named Kaysee in 2025.
American professional wrestler
US births per 5-year period, 1990–present (SSA data).