How old is someone named Dorthy?
The average Dorthy is 73 years old.
Half of all living Dorthys are between 66 and 85.
When was Dorthy popular?
Dorthy was at its most popular in the late 1920s. Parents have been moving away from it for decades, and 8 babies were named Dorthy in 2025.
Popular names of 1927 · The most popular names of the 1920s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 347 | 0 |
| 1910s | 2,125 | 0 |
| 1920s | 5,768 | 120 |
| 1930s | 5,231 | 1,000 |
| 1940s | 3,351 | 1,800 |
| 1950s | 1,828 | 1,400 |
| 1960s | 795 | 690 |
| 1970s | 343 | 320 |
| 1980s | 212 | 200 |
| 1990s | 129 | 130 |
| 2000s | 78 | under 100 |
| 2010s | 72 | under 100 |
| 2020s | 47 | under 100 |
How many Dorthys are still alive?
About 6,000 Dorthys are alive in the US today. That's 29% of the roughly 20,000 babies named Dorthy since 1885.
Most Dorthys ever born have died: the name was most popular in 1927, long enough ago that many of those babies are gone.
What generation is the name Dorthy?
About two in five living Dorthys are Baby Boomers, born between 1946 and 1964.
Is Dorthy an old name?
Yes. Dorthy is older than 99 in 100 names on AgeByName.
Is Dorthy a boy or girl name?
Almost entirely girls: 99.8% of living Dorthys are women.
Names the same age as Dorthy
NAME TWIN
Dorthy's name twin is Dorothy. Of all 3,713 names on AgeByName, Dorothy's age curve is the closest match to Dorthy's: 95% alike.
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Questions about the name Dorthy
How old is the average Dorthy?
The average Dorthy in the US is 73 years old. The median is 77, so half are older and half younger.
How many people are named Dorthy?
About 6,000 Dorthys are alive in the US today, out of roughly 20,000 babies given the name since 1885.
When was the name Dorthy most popular?
In 1927, when about 700 baby girls were named Dorthy.
Is Dorthy a Boomer name?
Partly. Baby Boomers are the largest group, about 44% of living Dorthys, 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