Cassidie \c(a)-ssi-die\ as a girl's name is a variant of Cassidy (Irish, Gaelic), and the meaning of Cassidie is "curly-headed".

The baby name Cassidie sounds like Kassidie, Cassidi, Cassidee and Cassadie. Other similar baby names are Cassie, Caidie, Kassidi, Kassidee, Cassidey, Cassiddy, Cassadi and Casidee.