Masculine dossier · first seen 1881
Wiliam
Stable
Cross-generational persistence
Peak era
1982
Peak births
28
Current vitality
Rare
Peak generation
Millennial
1881Peak 19822025
Quick answers about Wiliam
How many people are named Wiliam?
An estimated 953 living Americans are named Wiliam.
How rare is Wiliam?
Wiliam is very rare among babies today, with 13 boys receiving the name in 2025, down 53.6% from its 1982 peak.
How old is the typical Wiliam?
The median age of a living American named Wiliam is approximately 40 years, with most bearers falling between 21 and 55 years old.
Is Wiliam still popular?
Yes. Wiliam is holding steady, with 13 births in 2025 and a consistent recent baseline.
Peak year
1982
Decline from peak
53.6%
2025
13
All-time
1,256