Modern invented name, likely meaning pure lake or waterfall.
Kaislyn is a contemporary American creation, likely formed by blending the prefix 'Kai' with the popular suffix 'lyn'. While its roots are modern, it draws from the Welsh 'lyn' meaning lake and the Scandinavian 'Kai' which can relate to the name Katherine, meaning pure.
About 25 girls were named Kaislyn in 2025.
US births per 5-year period, 1990–present (SSA data).
