Masculine dossier · first seen 1953
Iain
Stable Decline
Gradual decline from 2003
Peak era
2003
Peak births
126
Current vitality
Rare
Peak generation
Gen Z
Quick answers about Iain
How many people are named Iain?
An estimated 2,819 living Americans are named Iain.
How rare is Iain?
Iain is very rare among babies today, with 11 boys receiving the name in 2025, down 91.3% from its 2003 peak.
How old is the typical Iain?
The median age of a living American named Iain is approximately 24 years, with most bearers falling between 17 and 33 years old.
Is Iain still popular?
Not especially. Iain has been declining since its 2003 peak and registered 11 births in 2025.
1953Peak 20032025
Peak year
2003
Decline from peak
91.3%
2025
11
All-time
2,911