Kallyn is a distinctive girls' name in United States, ranking #7450 in 1999 with 13 recorded births. The name reached its all-time peak in 2008 with 20 births ranking #6683. Since 1996, the popularity has increased by 85.7%. In 1999, approximately 1 in every 136,445 girls born was named Kallyn. STABLE Recent data shows the name is currently stable.