Cassondra is a distinctive girls' name in United States, ranking #2075 in 1999 with 74 recorded births. The name reached its all-time peak in 1996 with 118 births ranking #1401. Since 1996, the popularity has decreased by 37.3%. In 1999, approximately 1 in every 23,970 girls born was named Cassondra. FALLING Recent data shows the name is currently falling.