Kearstin is a distinctive girls' name in United States, ranking #7265 in 2011 with 17 recorded births. The name reached its all-time peak in 2002 with 43 births ranking #3267. Since 1996, the popularity has decreased by 55.3%. In 2011, approximately 1 in every 103,459 girls born was named Kearstin. FALLING Recent data shows the name is currently falling.