How old is someone named Kathryn?
The average Kathryn is 51 years old.
Half of all living Kathryns are between 35 and 69.
When was Kathryn popular?
Kathryn was at its most popular in the early 1950s. Parents have been moving away from it for decades, and 381 babies were named Kathryn in 2025.
Popular names of 1952 · The most popular names of the 1950s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 8,333 | 0 |
| 1910s | 29,280 | 0 |
| 1920s | 33,868 | 520 |
| 1930s | 22,672 | 4,900 |
| 1940s | 44,683 | 26,000 |
| 1950s | 77,933 | 61,000 |
| 1960s | 44,988 | 39,000 |
| 1970s | 36,562 | 34,000 |
| 1980s | 62,723 | 61,000 |
| 1990s | 47,237 | 46,000 |
| 2000s | 26,359 | 26,000 |
| 2010s | 10,199 | 10,000 |
| 2020s | 2,742 | 2,700 |
How many Kathryns are still alive?
About 310,000 Kathryns are alive in the US today. That's 68% of the roughly 460,000 babies named Kathryn since 1880.
Roughly half of all Kathryns ever born are still living.
What generation is the name Kathryn?
About one in three living Kathryns are Baby Boomers, born between 1946 and 1964.
Is Kathryn an old name?
Yes. Kathryn is older than 78 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Kathryn will be 64 in 2056, so the name is aging slowly.
Is Kathryn a boy or girl name?
Almost entirely girls: 99.8% of living Kathryns are women.
Names the same age as Kathryn
NAME TWIN
Kathryn's name twin is Jacquelyn. Of all 3,713 names on AgeByName, Jacquelyn's age curve is the closest match to Kathryn's: 94% alike.
Other spellings: Cathryn (52)
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Questions about the name Kathryn
How old is the average Kathryn?
The average Kathryn in the US is 51 years old. The median is 49, so half are older and half younger.
How many people are named Kathryn?
About 310,000 Kathryns are alive in the US today, out of roughly 460,000 babies given the name since 1880.
When was the name Kathryn most popular?
In 1952, when about 8,500 baby girls were named Kathryn.
Is Kathryn a Boomer name?
Partly. Baby Boomers are the largest group, about 32% of living Kathryns, 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