Kierah is a distinctive girls' name in United States, ranking #7281 in 2011 with 17 recorded births. The name reached its all-time peak in 2005 with 24 births ranking #5359. Since 1996, the popularity has increased by 30.8%. In 2011, approximately 1 in every 103,459 girls born was named Kierah. FALLING Recent data shows the name is currently falling.