Siena is a distinctive girls' name in United States, ranking #1592 in 1997 with 101 recorded births. This places Siena in the top 10% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2018 with 496 births ranking #611. In 1997, approximately 1 in every 17,234 girls born was named Siena. STABLE Recent data shows the name is currently stable.