Sierra is a distinctive girls' name in United States, ranking #534 in 2020 with 567 recorded births. The name reached its all-time peak in 1998 with 5,841 births ranking #51. Since 1996, the popularity has decreased by 89.7%. In 2020, approximately 1 in every 2,849 girls born was named Sierra. STABLE Recent data shows the name is currently stable.