AgeName

How old is someone named Diann?

The average Diann is 69 years old.

Half of all living Dianns are between 63 and 77.

Estimated alive
9K
Median age
71
Peak year
1947
Mostly
Boomers

Diann was a boom name: it shot up, peaked in 1947, and dropped away. That's why most Dianns are close to the same age.

Popular names of 1947 · The most popular names of the 1940s →

Show the numbers by decade
Babies named Diann by decade, and how many are estimated alive today
Born inBabies bornAlive today
1920s170
1930s464130
1940s3,6892,200
1950s4,6273,600
1960s2,6032,300
1970s536500
1980s182170
1990s94under 100
2000s29under 100
2010s11under 100

How many Dianns are still alive?

About 9,000 Dianns are alive in the US today. That's 73% of the roughly 12,000 babies named Diann since 1924.

Most Dianns ever born are still alive.

What generation is the name Diann?

About two in three living Dianns are Baby Boomers, born between 1946 and 1964.

See all Boomer names →

Is Diann an old name?

Yes. Diann is older than 98 in 100 names on AgeByName.

Names that sound old →

Is Diann a boy or girl name?

Almost entirely girls: over 99.9% of living Dianns are women.

Names the same age as Diann

NAME TWIN

Diann's name twin is Dianne. Of all 3,713 names on AgeByName, Dianne's age curve is the closest match to Diann's: 94% alike.

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Questions about the name Diann

How old is the average Diann?

The average Diann in the US is 69 years old. The median is 71, so half are older and half younger.

How many people are named Diann?

About 9,000 Dianns are alive in the US today, out of roughly 12,000 babies given the name since 1924.

When was the name Diann most popular?

In 1947, when about 560 baby girls were named Diann.

Is Diann a Boomer name?

Yes. About 69% of living Dianns 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