Kearstyn is a distinctive girls' name in United States, ranking #7784 in 1998 with 12 recorded births. The name reached its all-time peak in 2006 with 19 births ranking #6718. Since 1996, the popularity has increased by 140.0%. In 1998, approximately 1 in every 147,241 girls born was named Kearstyn. FALLING Recent data shows the name is currently falling.