Cassie
[ˈkæsi]Meaning
diminutive of Cassandra and other names beginning with Cass
Background Story
Cassie is a feminine given name, a short form of Cassandra, Cassandro and Cassidy, mostly used in English-speaking countries. It is formed in English from Cass plus the suffix -ie. Behind the Name records it as a diminutive of Cassandra and other names beginning with Cass, and lists it as used in Ancient Greek, French, Greek Mythology, Polish, Romanian and Spanish.
Variations
Cass, Cassi, Cassidy

Related Names
Alaina
Variant of Alana, probably influenced by Elaine
Alyssa
Variant of Alicia, influenced by the alyssum flower, from Greek a- "not" + lyssa "madness"
Calli
Callie
Diminutive of Caroline or of names beginning with Cal
Cammie
Diminutive of Camilla, and a short form of Cameron
Cassy
Diminutive of Cassandra and of other names beginning with Cass
Casy
Recorded as a given name in English, used for both boys and girls
Cecily
English form of Cecilia, a Latin name of the Roman Caecili family
Cenzie
Chelsy
A variant of the name Chelsea, which means 'port for chalk or limestone'