Sierrah is a distinctive girls' name in United States, ranking #10839 in 2014 with 10 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 86.5%. In 2014, approximately 1 in every 178,594 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.