Casi is a distinctive girls' name in United States, ranking #8661 in 2000 with 11 recorded births. The name reached its all-time peak in 1997 with 27 births ranking #4024. Since 1996, the popularity has decreased by 54.2%. In 2000, approximately 1 in every 165,088 girls born was named Casi. STABLE Recent data shows the name is currently stable.