AgeName

How old is someone named Dorothea?

The average Dorothea is 63 years old.

Half of all living Dorotheas are between 56 and 78.

Estimated alive
9.6K
Median age
68
Peak year
1920
Mostly
Boomers

Dorothea peaked in 1920 and has been given less and less ever since. Only 113 babies got the name in 2025.

Popular names of 1920 · The most popular names of the 1920s →

Show the numbers by decade
Babies named Dorothea by decade, and how many are estimated alive today
Born inBabies bornAlive today
1900s1,8100
1910s7,7500
1920s8,518130
1930s4,180820
1940s3,1111,700
1950s3,0142,400
1960s2,3262,000
1970s768720
1980s478460
1990s299290
2000s210210
2010s345350
2020s464460

How many Dorotheas are still alive?

About 9,600 Dorotheas are alive in the US today. That's 28% of the roughly 34,000 babies named Dorothea since 1880.

Most Dorotheas ever born have died: the name was most popular in 1920, long enough ago that many of those babies are gone.

What generation is the name Dorothea?

About half of living Dorotheas are Baby Boomers, born between 1946 and 1964.

See all Boomer names →

Is Dorothea an old name?

Yes. Dorothea is older than 92 in 100 names on AgeByName.

Looking ahead: if babies keep getting the name at today's pace, the typical Dorothea will be 42 in 2056, so its average age will actually fall, as the youngest Dorotheas make up more of the total.

Names that sound old →

Is Dorothea a boy or girl name?

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

Names the same age as Dorothea

NAME TWIN

Dorothea's name twin is Marietta. Of all 3,713 names on AgeByName, Marietta's age curve is the closest match to Dorothea's: 91% alike.

Other spellings: Dorothy (72)

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Questions about the name Dorothea

How old is the average Dorothea?

The average Dorothea in the US is 63 years old. The median is 68, so half are older and half younger.

How many people are named Dorothea?

About 9,600 Dorotheas are alive in the US today, out of roughly 34,000 babies given the name since 1880.

When was the name Dorothea most popular?

In 1920, when about 1,100 baby girls were named Dorothea.

Is Dorothea a Boomer name?

Partly. Baby Boomers are the largest group, about 46% of living Dorotheas, but the name spans several generations.

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