Kallyn is a distinctive girls' name in United States, ranking #6436 in 2011 with 20 recorded births. The name reached its all-time peak in 2008 with 20 births ranking #6683. Since 1996, the popularity has increased by 185.7%. In 2011, approximately 1 in every 87,940 girls born was named Kallyn. STABLE Recent data shows the name is currently stable.