Kallyn is a distinctive girls' name in United States, ranking #7944 in 2018 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 2018, approximately 1 in every 121,459 girls born was named Kallyn. STABLE Recent data shows the name is currently stable.