Kearstin is a distinctive girls' name in United States, ranking #3752 in 1999 with 32 recorded births. The name reached its all-time peak in 2002 with 43 births ranking #3267. Since 1996, the popularity has decreased by 15.8%. In 1999, approximately 1 in every 55,431 girls born was named Kearstin. FALLING Recent data shows the name is currently falling.