Krystal is a distinctive girls' name in United States, ranking #718 in 2010 with 393 recorded births. The name reached its all-time peak in 1996 with 1,336 births ranking #217. Since 1996, the popularity has decreased by 70.6%. In 2010, approximately 1 in every 4,522 girls born was named Krystal. FALLING Recent data shows the name is currently falling.