Kearstyn is a distinctive girls' name in United States, ranking #7243 in 2004 with 16 recorded births. The name reached its all-time peak in 2006 with 19 births ranking #6718. Since 1996, the popularity has increased by 220.0%. In 2004, approximately 1 in every 114,758 girls born was named Kearstyn. FALLING Recent data shows the name is currently falling.