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Gender: F Origin of Cass: Diminutive of Cassandra or Cassia

Ties to the unfortunate Mama are now unraveling, leaving Cass or Cassie to stand on its own as a fresher sounding Cathy or Kate. But with so many lovely long forms, we'd advise keeping this as a nickname.

Famous People Named Cass

Mama Cass Elliot (born Ellen Naomi Cohen), American singer of The Mamas and the Papas
Catherine "Cass" Dailey, American singer and actress
Cassandra "Cass" Fox, English singer
Cass Phang, Hong Kong singer
Kiera Cass, author of "The Selection" books.

Pop Culture References for the name Cass

Cassandra "Cass" Cain aka Batgirl, character in Batman comics
Cassandra "Cass," main character in "The Name of This Book Is Secret" by Pseudonymous Bosch
Cassie "Cass" Kennington, character in movie "Have Dreams, Will Travel"
Rose of Sharon "Cass" Cassidy, character in video game "Fallout: New Vegas"
"Cass," 1978 Australian movie
Cass Hamada, character in the 2014 movie Big Hero 6
Cassandra "Cass", character in "The Forest of Hands and Teeth", by Carrie Ryan

Kassie, Cassey, Cassy, Cassee, Cassi, Cassii, Kassy, Kassi, Casy, Kass