Kieryn is a distinctive girls' name in United States, ranking #6519 in 2010 with 20 recorded births. The name reached its all-time peak in 2010 with 20 births ranking #6519. Since 1996, the popularity has increased by 185.7%. In 2010, approximately 1 in every 88,866 girls born was named Kieryn. STABLE Recent data shows the name is currently stable.