Feminine dossier · first seen 1880
Delia
Stable
Cross-generational persistence
Peak era
1957
Peak births
490
Current vitality
Fragile
Peak generation
Boomer
Quick answers about Delia
How many people are named Delia?
An estimated 19,266 living Americans are named Delia.
How rare is Delia?
Delia is uncommon among babies today, with 135 girls receiving the name in 2025, down 72.4% from its 1957 peak.
How old is the typical Delia?
The median age of a living American named Delia is approximately 47 years, with most bearers falling between 25 and 64 years old.
Is Delia still popular?
Yes. Delia is holding steady, with 135 births in 2025 and a consistent recent baseline.
Where is Delia most common?
Delia has its strongest geographic signal in Arizona, where it appears 13.6× more often than the national baseline.
1880Peak 19572025
Peak year
1957
Decline from peak
72.4%
2025
135
All-time
37,318
Where it lives now
Delia is most concentrated in Arizona — about 8.3× the national rate in the 1940s.
States where Delia is given more often than the national average — its present-day heartland.