Krystal is a distinctive girls' name in United States, ranking #504 in 2006 with 605 recorded births. The name reached its all-time peak in 1996 with 1,336 births ranking #217. Since 1996, the popularity has decreased by 54.7%. In 2006, approximately 1 in every 3,142 girls born was named Krystal. FALLING Recent data shows the name is currently falling.