Masculine dossier · first seen 1916
Castle
Stable
Cross-generational persistence
Peak era
2018
Peak births
32
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Castle
How many people are named Castle?
An estimated 359 living Americans are named Castle.
How rare is Castle?
Castle is very rare among babies today, with 17 boys receiving the name in 2025, down 46.9% from its 2018 peak.
How old is the typical Castle?
The median age of a living American named Castle is approximately 9 years, with most bearers falling between 5 and 14 years old.
Is Castle still popular?
Yes. Castle is holding steady, with 17 births in 2025 and a consistent recent baseline.
1916Peak 20182025
Peak year
2018
Decline from peak
46.9%
2025
17
All-time
385