Kallyn is a distinctive girls' name in United States, ranking #7813 in 2021 with 14 recorded births. The name reached its all-time peak in 2008 with 20 births ranking #6683. Since 1996, the popularity has increased by 100.0%. In 2021, approximately 1 in every 117,122 girls born was named Kallyn. STABLE Recent data shows the name is currently stable.