Chastidy is a distinctive girls' name in United States, ranking #15933 in 2002 with 5 recorded births. The name reached its all-time peak in 1999 with 19 births ranking #5479. Since 1996, the popularity has decreased by 54.5%. In 2002, approximately 1 in every 359,364 girls born was named Chastidy. FALLING Recent data shows the name is currently falling.