Masculine dossier · first seen 1881
Kirby
Stable
Cross-generational persistence
Peak era
1957
Peak births
357
Current vitality
Rare
Peak generation
Boomer
Quick answers about Kirby
How many people are named Kirby?
An estimated 9,720 living Americans are named Kirby.
How rare is Kirby?
Kirby is very rare among babies today, with 36 boys receiving the name in 2025, down 89.9% from its 1957 peak.
How old is the typical Kirby?
The median age of a living American named Kirby is approximately 54 years, with most bearers falling between 35 and 67 years old.
Is Kirby still popular?
Yes. Kirby is holding steady, with 36 births in 2025 and a consistent recent baseline.
Where is Kirby most common?
Kirby has its strongest geographic signal in Louisiana, where it appears 6.4× more often than the national baseline.
1881Peak 19572025
Peak year
1957
Decline from peak
89.9%
2025
36
All-time
14,532