Sierra is a distinctive girls' name in United States, ranking #509 in 2021 with 611 recorded births. The name reached its all-time peak in 1998 with 5,841 births ranking #51. Since 1996, the popularity has decreased by 88.9%. In 2021, approximately 1 in every 2,684 girls born was named Sierra. STABLE Recent data shows the name is currently stable.