Kieryn is a distinctive girls' name in United States, ranking #7408 in 2003 with 15 recorded births. The name reached its all-time peak in 2010 with 20 births ranking #6519. Since 1996, the popularity has increased by 114.3%. In 2003, approximately 1 in every 121,803 girls born was named Kieryn. STABLE Recent data shows the name is currently stable.