Kierstyn is a distinctive girls' name in United States, ranking #2348 in 1997 with 57 recorded births. This places Kierstyn in the top 15% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2007 with 135 births ranking #1649. Since 1996, the popularity has decreased by 29.6%. In 1997, approximately 1 in every 30,538 girls born was named Kierstyn. RISING Recent data shows the name is currently rising.