Sierrah is a distinctive girls' name in United States, ranking #2399 in 1999 with 62 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 16.2%. In 1999, approximately 1 in every 28,609 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.