Kearstin is a distinctive girls' name in United States, ranking #5821 in 2006 with 23 recorded births. The name reached its all-time peak in 2002 with 43 births ranking #3267. Since 1996, the popularity has decreased by 39.5%. In 2006, approximately 1 in every 82,655 girls born was named Kearstin. FALLING Recent data shows the name is currently falling.