Masculine dossier · first seen 1999
Kaidyn
Stable Decline
Gradual decline from 2014
Peak era
2014
Peak births
190
Current vitality
Rare
Peak generation
Gen Alpha
Quick answers about Kaidyn
How many people are named Kaidyn?
An estimated 2,714 living Americans are named Kaidyn.
How rare is Kaidyn?
Kaidyn is uncommon among babies today, with 67 boys receiving the name in 2025, down 64.7% from its 2014 peak.
How old is the typical Kaidyn?
The median age of a living American named Kaidyn is approximately 12 years, with most bearers falling between 7 and 16 years old.
Is Kaidyn still popular?
Not especially. Kaidyn has been declining since its 2014 peak and registered 67 births in 2025.
Where is Kaidyn most common?
Kaidyn has its strongest geographic signal in Ohio, where it appears 1.6× more often than the national baseline.
1999Peak 20142025
Peak year
2014
Decline from peak
64.7%
2025
67
All-time
2,741
Where it lives now
Kaidyn is most concentrated in Ohio — about 1.6× the national rate in the 2010s.
States where Kaidyn is given more often than the national average — its present-day heartland.