Sierrah is a distinctive girls' name in United States, ranking #8973 in 2013 with 13 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 82.4%. In 2013, approximately 1 in every 134,955 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.