Krystal is a distinctive girls' name in United States, ranking #651 in 2009 with 455 recorded births. The name reached its all-time peak in 1996 with 1,336 births ranking #217. Since 1996, the popularity has decreased by 65.9%. In 2009, approximately 1 in every 4,037 girls born was named Krystal. FALLING Recent data shows the name is currently falling.