How old is someone named Diane?
The average Diane is 68 years old.
Half of all living Dianes are between 63 and 75.
When was Diane popular?
Diane was a boom name: it shot up, peaked in 1955, and dropped away. That's why most Dianes are close to the same age.
Popular names of 1955 · The most popular names of the 1950s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 108 | 0 |
| 1910s | 728 | 0 |
| 1920s | 2,310 | under 100 |
| 1930s | 22,268 | 5,900 |
| 1940s | 123,200 | 73,000 |
| 1950s | 211,057 | 160,000 |
| 1960s | 114,777 | 100,000 |
| 1970s | 25,444 | 24,000 |
| 1980s | 11,270 | 11,000 |
| 1990s | 4,938 | 4,800 |
| 2000s | 2,403 | 2,400 |
| 2010s | 1,043 | 1,000 |
| 2020s | 475 | 470 |
How many Dianes are still alive?
About 390,000 Dianes are alive in the US today. That's 74% of the roughly 520,000 babies named Diane since 1898.
Most Dianes ever born are still alive.
What generation is the name Diane?
About two in three living Dianes are Baby Boomers, born between 1946 and 1964.
- Silent 9%
- Boomer 71%
- Gen X 16%
- Millennial 4%
- Gen Z 1%
Is Diane an old name?
Yes. Diane is older than 97 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Diane will be 82 in 2056, so the name is aging slowly.
Is Diane a boy or girl name?
Almost entirely girls: 99.8% of living Dianes are women.
Names the same age as Diane
NAME TWIN
Diane's name twin is Lynne. Of all 3,713 names on AgeByName, Lynne's age curve is the closest match to Diane's: 93% alike.
Other spellings: Dianne (69)
Compare: Diane vs. Dianne
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Questions about the name Diane
How old is the average Diane?
The average Diane in the US is 68 years old. The median is 69, so half are older and half younger.
How many people are named Diane?
About 390,000 Dianes are alive in the US today, out of roughly 520,000 babies given the name since 1898.
When was the name Diane most popular?
In 1955, when about 23,000 baby girls were named Diane.
Is Diane a Boomer name?
Yes. About 71% of living Dianes are Baby Boomers, born between 1946 and 1964.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this