Sierrah is a distinctive girls' name in United States, ranking #5869 in 2009 with 24 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 67.6%. In 2009, approximately 1 in every 76,536 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.