Kierston is a distinctive girls' name in United States, ranking #4028 in 1999 with 29 recorded births. The name reached its all-time peak in 2001 with 43 births ranking #3227. Since 1996, the popularity has decreased by 12.1%. In 1999, approximately 1 in every 61,165 girls born was named Kierston. FALLING Recent data shows the name is currently falling.