Sierrah is a distinctive girls' name in United States, ranking #2067 in 1997 with 69 recorded births. This places Sierrah in the top 13% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2001 with 81 births ranking #2073. In 1997, approximately 1 in every 25,227 girls born was named Sierrah. STABLE Recent data shows the name is currently stable.