Curly-haired
A modern phonetic spelling of the Irish surname Cassidy. It is derived from the Gaelic name Caiside, which originally functioned as a nickname for someone with curly hair.
Fewer than 5 girls were named Cassadee in 2025.
US births per 5-year period, 1990–present (SSA data).
Winner of The Voice Season 3 and lead singer of Hey Monday
