Cassie
Cassie meaning: Unheeded prophetess. A diminutive of Casirnir, Cassandra, or Catherine. Cassandra was a Trojan prophetess, daughter of King Priam. In Homer's 'The Iliad' Cassandra's prediction of the fall of Troy was unheeded. Also used as an independent name.
Cassie origin: English
Cassie gender: Female

Cassiel
Cassiel meaning: Angel of Saturday; the earthly mother.
Cassiel origin: Latin
Cassiel gender: Female