Masculine dossier · first seen 1904
Lyndon
Stable Decline
Gradual decline from 1964
Peak era
1964
Peak births
515
Current vitality
Rare
Peak generation
Boomer
Quick answers about Lyndon
How many people are named Lyndon?
An estimated 7,344 living Americans are named Lyndon.
How rare is Lyndon?
Lyndon is uncommon among babies today, with 65 boys receiving the name in 2025, down 87.4% from its 1964 peak.
How old is the typical Lyndon?
The median age of a living American named Lyndon is approximately 37 years, with most bearers falling between 17 and 62 years old.
Is Lyndon still popular?
Not especially. Lyndon has been declining since its 1964 peak and registered 65 births in 2025.
Where is Lyndon most common?
Lyndon has its strongest geographic signal in Indiana, where it appears 4.5× more often than the national baseline.
1904Peak 19642025
Peak year
1964
Decline from peak
87.4%
2025
65
All-time
9,705
Where it lives now
Lyndon is most concentrated in Indiana — about 4.5× the national rate in the 2010s.
States where Lyndon is given more often than the national average — its present-day heartland.