Kerstyn is a distinctive girls' name in United States, ranking #7247 in 2004 with 16 recorded births. The name reached its all-time peak in 2000 with 35 births ranking #3700. Since 1996, the popularity has decreased by 42.9%. In 2004, approximately 1 in every 114,758 girls born was named Kerstyn. FALLING Recent data shows the name is currently falling.