Sierrah is a distinctive girls' name in United States, ranking #8160 in 2012 with 15 recorded births. The name reached its all-time peak in 2001 with 81 births ranking #2073. Since 1996, the popularity has decreased by 79.7%. In 2012, approximately 1 in every 117,383 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.