Kierah is a distinctive girls' name in United States, ranking #7145 in 2001 with 15 recorded births. The name reached its all-time peak in 2005 with 24 births ranking #5359. Since 1996, the popularity has increased by 15.4%. In 2001, approximately 1 in every 120,037 girls born was named Kierah. FALLING Recent data shows the name is currently falling.