Krystal is a distinctive girls' name in United States, ranking #511 in 2007 with 619 recorded births. The name reached its all-time peak in 1996 with 1,336 births ranking #217. Since 1996, the popularity has decreased by 53.7%. In 2007, approximately 1 in every 3,106 girls born was named Krystal. FALLING Recent data shows the name is currently falling.