Feminine dossier · first seen 1962
Sian
Stable Decline
Gradual decline from 2006
Peak era
2006
Peak births
35
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Sian
How many people are named Sian?
An estimated 821 living Americans are named Sian.
How rare is Sian?
Sian is very rare among babies today, with 5 girls receiving the name in 2025, down 85.7% from its 2006 peak.
How old is the typical Sian?
The median age of a living American named Sian is approximately 27 years, with most bearers falling between 18 and 43 years old.
Is Sian still popular?
Not especially. Sian has been declining since its 2006 peak and registered 5 births in 2025.
1962Peak 20062025
Peak year
2006
Decline from peak
85.7%
2025
5
All-time
858