Kearstyn is a distinctive girls' name in United States, ranking #6648 in 1997 with 14 recorded births. The name reached its all-time peak in 2006 with 19 births ranking #6718. Since 1996, the popularity has increased by 180.0%. In 1997, approximately 1 in every 124,333 girls born was named Kearstyn. FALLING Recent data shows the name is currently falling.