Sienna is a moderately popular girls' name in United States, ranking #150 in 2021 with 1,879 recorded births. The name reached its all-time peak in 2024 with 2,113 births ranking #139. Since 1996, the popularity has increased by 651.6%. In 2021, approximately 1 in every 873 girls born was named Sienna. STABLE Recent data shows the name is currently stable.