Krystalyn is a distinctive girls' name in United States, ranking #9274 in 2008 with 13 recorded births. The name reached its all-time peak in 1997 with 13 births ranking #7084. Since 1996, the popularity has increased by 30.0%. In 2008, approximately 1 in every 145,440 girls born was named Krystalyn. FALLING Recent data shows the name is currently falling.