Sierra is a distinctive girls' name in United States, ranking #616 in 2025 with 476 recorded births. This places Sierra in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1998 with 5,841 births ranking #51. Since 1996, the popularity has decreased by 91.3%. In 2025, approximately 1 in every 3,377 girls born was named Sierra. STABLE Recent data shows the name is currently stable.