Feminine dossier · first seen 1921
Deirdre
Endangered
Down 98.4% from peak
Peak era
1961
Peak births
799
Current vitality
Rare
Peak generation
Boomer
Quick answers about Deirdre
How many people are named Deirdre?
An estimated 13,589 living Americans are named Deirdre.
How rare is Deirdre?
Deirdre is very rare among babies today, with 13 girls receiving the name in 2025, down 98.4% from its 1961 peak.
How old is the typical Deirdre?
The median age of a living American named Deirdre is approximately 57 years, with most bearers falling between 44 and 63 years old.
Is Deirdre still popular?
No. Deirdre is endangered as a baby name, down 98.4% from its 1961 peak with 13 births in 2025.
Where is Deirdre most common?
Deirdre has its strongest geographic signal in Massachusetts, where it appears 7.0× more often than the national baseline.
1921Peak 19612025
Peak year
1961
Decline from peak
98.4%
2025
13
All-time
16,845
Where it lives now
Deirdre is most concentrated in Massachusetts — about 7.0× the national rate in the 2000s.
States where Deirdre is given more often than the national average — its present-day heartland.