About the name Cassie
Cassie belongs to the English & American tradition. Its roots are documented, even though its precise meaning is not recorded in the standard references — an honest gap we prefer to a confident guess.
In the United States, Cassie first appears in Social Security records in 1880. It climbed to its best-ever rank of #137 in 1982, and in 2024 182 babies received the name — 46,462 in total since 1880. Those are the official counts, not estimates.