Feminine dossier · first seen 1880
Lydia
Stable
Cross-generational persistence
Peak era
2014
Peak births
3,652
Current vitality
Healthy
Peak generation
Gen Alpha
Quick answers about Lydia
How many people are named Lydia?
An estimated 131,005 living Americans are named Lydia.
How rare is Lydia?
Lydia is moderately uncommon among babies today, with 2,692 girls receiving the name in 2025, down 26.3% from its 2014 peak.
How old is the typical Lydia?
The median age of a living American named Lydia is approximately 23 years, with most bearers falling between 11 and 42 years old.
Is Lydia still popular?
Yes. Lydia is holding steady, with 2,692 births in 2025 and a consistent recent baseline.
Where is Lydia most common?
Lydia has its strongest geographic signal in Arizona, where it appears 8.2× more often than the national baseline.
1880Peak 20142025
Peak year
2014
Decline from peak
26.3%
2025
2,692
All-time
187,039
Where it lives now
Lydia is most concentrated in New Mexico — about 6.4× the national rate in the 1940s.
States where Lydia is given more often than the national average — its present-day heartland.