Sierrah is a distinctive girls' name in United States, ranking #3717 in 2005 with 40 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 45.9%. In 2005, approximately 1 in every 46,192 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.