Kierston is a distinctive girls' name in United States, ranking #10517 in 2015 with 10 recorded births. The name reached its all-time peak in 2001 with 43 births ranking #3227. Since 1996, the popularity has decreased by 69.7%. In 2015, approximately 1 in every 178,465 girls born was named Kierston. FALLING Recent data shows the name is currently falling.