Masculine dossier · first seen 1977
Kayin
Stable Decline
Gradual decline from 2001
Peak era
2001
Peak births
31
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Kayin
How many people are named Kayin?
An estimated 540 living Americans are named Kayin.
How rare is Kayin?
Kayin is very rare among babies today, with 8 boys receiving the name in 2025, down 74.2% from its 2001 peak.
How old is the typical Kayin?
The median age of a living American named Kayin is approximately 19 years, with most bearers falling between 13 and 24 years old.
Is Kayin still popular?
Not especially. Kayin has been declining since its 2001 peak and registered 8 births in 2025.
1977Peak 20012025
Peak year
2001
Decline from peak
74.2%
2025
8
All-time
548