Sierrah is a distinctive girls' name in United States, ranking #11489 in 2017 with 9 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 87.8%. In 2017, approximately 1 in every 191,764 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.