Kierstyn is a distinctive girls' name in United States, ranking #6853 in 2022 with 17 recorded births. The name reached its all-time peak in 2007 with 135 births ranking #1649. Since 1996, the popularity has decreased by 79.0%. In 2022, approximately 1 in every 96,398 girls born was named Kierstyn. RISING Recent data shows the name is currently rising.