Feminine dossier · first seen 1898
Diane
Endangered
Down 99.7% from peak
Peak era
1955
Peak births
23,290
Current vitality
Rare
Peak generation
Boomer
Quick answers about Diane
How many people are named Diane?
An estimated 306,954 living Americans are named Diane.
How rare is Diane?
Diane is uncommon among babies today, with 66 girls receiving the name in 2025, down 99.7% from its 1955 peak.
How old is the typical Diane?
The median age of a living American named Diane is approximately 68 years, with most bearers falling between 62 and 73 years old.
Is Diane still popular?
No. Diane is endangered as a baby name, down 99.7% from its 1955 peak with 66 births in 2025.
Where is Diane most common?
Diane has its strongest geographic signal in California, where it appears 4.1× more often than the national baseline.
1898Peak 19552025
Peak year
1955
Decline from peak
99.7%
2025
66
All-time
518,651
Where it lives now
Diane is most concentrated in California — about 4.0× the national rate in the 1930s. It also runs high in Utah.
States where Diane is given more often than the national average — its present-day heartland.