Kierah is a distinctive girls' name in United States, ranking #5784 in 2002 with 20 recorded births. The name reached its all-time peak in 2005 with 24 births ranking #5359. Since 1996, the popularity has increased by 53.8%. In 2002, approximately 1 in every 89,841 girls born was named Kierah. FALLING Recent data shows the name is currently falling.