Kierston is a distinctive girls' name in United States, ranking #9423 in 2012 with 12 recorded births. The name reached its all-time peak in 2001 with 43 births ranking #3227. Since 1996, the popularity has decreased by 63.6%. In 2012, approximately 1 in every 146,729 girls born was named Kierston. FALLING Recent data shows the name is currently falling.