Feminine dossier · first seen 1933
Deidre
Endangered
Down 98.5% from peak
Peak era
1963
Peak births
541
Current vitality
Rare
Peak generation
Boomer
Quick answers about Deidre
How many people are named Deidre?
An estimated 12,384 living Americans are named Deidre.
How rare is Deidre?
Deidre is very rare among babies today, with 8 girls receiving the name in 2025, down 98.5% from its 1963 peak.
How old is the typical Deidre?
The median age of a living American named Deidre is approximately 52 years, with most bearers falling between 40 and 61 years old.
Is Deidre still popular?
No. Deidre is endangered as a baby name, down 98.5% from its 1963 peak with 8 births in 2025.
Where is Deidre most common?
Deidre has its strongest geographic signal in Louisiana, where it appears 3.0× more often than the national baseline.
1933Peak 19632025
Peak year
1963
Decline from peak
98.5%
2025
8
All-time
14,673
Where it lives now
Deidre is most concentrated in Mississippi — about 3.0× the national rate in the 1980s. It also runs high in South Carolina.
States where Deidre is given more often than the national average — its present-day heartland.