Cenel's island or ship's victory
Kelsye is a modern variant of the English surname Kelsey. It likely derives from the Old English name Cenel, combined with 'eg', meaning island, or from 'ceol', meaning ship, and 'sige', meaning victory.
Fewer than 5 girls were named Kelsye in 2025.
US births per 5-year period, 1990–present (SSA data).