Sierrah is a distinctive girls' name in United States, ranking #4348 in 2008 with 36 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 51.4%. In 2008, approximately 1 in every 52,520 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.