How old is someone named Katherine?
The average Katherine is 43 years old.
Half of all living Katherines are between 28 and 58.
When was Katherine popular?
Katherine has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1990.
Popular names of 1990 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 12,139 | 0 |
| 1910s | 36,965 | 0 |
| 1920s | 42,911 | 650 |
| 1930s | 25,332 | 5,300 |
| 1940s | 40,042 | 23,000 |
| 1950s | 67,002 | 52,000 |
| 1960s | 50,775 | 45,000 |
| 1970s | 54,251 | 51,000 |
| 1980s | 99,625 | 96,000 |
| 1990s | 97,053 | 95,000 |
| 2000s | 65,475 | 65,000 |
| 2010s | 34,165 | 34,000 |
| 2020s | 10,675 | 11,000 |
How many Katherines are still alive?
About 480,000 Katherines are alive in the US today. That's 73% of the roughly 650,000 babies named Katherine since 1880.
Most Katherines ever born are still alive.
What generation is the name Katherine?
About one in three living Katherines are Millennials, born between 1981 and 1996.
Is Katherine an old name?
Somewhat. Katherine is older than 69 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Katherine will be 57 in 2056, so the name is aging slowly.
Is Katherine a boy or girl name?
Almost entirely girls: 99.7% of living Katherines are women.
Names the same age as Katherine
NAME TWIN
Katherine's name twin is Katheryn. Of all 3,713 names on AgeByName, Katheryn's age curve is the closest match to Katherine's: 91% alike.
Other spellings: Catherine (54)
Compare: Katherine vs. Katie · Catherine vs. Katherine
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Questions about the name Katherine
How old is the average Katherine?
The average Katherine in the US is 43 years old. The median is 40, so half are older and half younger.
How many people are named Katherine?
About 480,000 Katherines are alive in the US today, out of roughly 650,000 babies given the name since 1880.
When was the name Katherine most popular?
In 1990, when about 12,000 baby girls were named Katherine.
Is Katherine a Millennial name?
Partly. Millennials are the largest group, about 33% of living Katherines, 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