Kearstin is a distinctive girls' name in United States, ranking #8087 in 2010 with 15 recorded births. The name reached its all-time peak in 2002 with 43 births ranking #3267. Since 1996, the popularity has decreased by 60.5%. In 2010, approximately 1 in every 118,488 girls born was named Kearstin. FALLING Recent data shows the name is currently falling.