Krystal is a moderately popular girls' name in United States, ranking #282 in 1998 with 1,093 recorded births. The name reached its all-time peak in 1996 with 1,336 births ranking #217. Since 1996, the popularity has decreased by 18.2%. In 1998, approximately 1 in every 1,617 girls born was named Krystal. FALLING Recent data shows the name is currently falling.