Feminine dossier · first seen 1965
Siena
Stable
Cross-generational persistence
Peak era
2018
Peak births
496
Current vitality
Fragile
Peak generation
Gen Alpha
Quick answers about Siena
How many people are named Siena?
An estimated 10,944 living Americans are named Siena.
How rare is Siena?
Siena is uncommon among babies today, with 479 girls receiving the name in 2025.
How old is the typical Siena?
The median age of a living American named Siena is approximately 13 years, with most bearers falling between 7 and 18 years old.
Is Siena still popular?
Yes. Siena is holding steady, with 479 births in 2025 and a consistent recent baseline.
Where is Siena most common?
Siena has its strongest geographic signal in Connecticut, where it appears 4.4× more often than the national baseline.
1965Peak 20182025
Peak year
2018
Decline from peak
3.4%
2025
479
All-time
11,070
Where it lives now
Siena is most concentrated in Connecticut — about 4.4× the national rate in the 2020s.
States where Siena is given more often than the national average — its present-day heartland.