How old is someone named Katharine?
The average Katharine is 46 years old.
Half of all living Katharines are between 33 and 58.
When was Katharine popular?
Parents have been choosing Katharine less often since its peak in 1982; 27 babies got the name in 2025.
Popular names of 1982 · The most popular names of the 1980s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 1,246 | 0 |
| 1910s | 2,854 | 0 |
| 1920s | 2,572 | under 100 |
| 1930s | 1,724 | 370 |
| 1940s | 2,789 | 1,600 |
| 1950s | 3,712 | 2,900 |
| 1960s | 3,114 | 2,700 |
| 1970s | 3,848 | 3,600 |
| 1980s | 7,871 | 7,600 |
| 1990s | 5,315 | 5,200 |
| 2000s | 2,881 | 2,900 |
| 2010s | 915 | 910 |
| 2020s | 207 | 210 |
How many Katharines are still alive?
About 28,000 Katharines are alive in the US today. That's 68% of the roughly 41,000 babies named Katharine since 1880.
Roughly half of all Katharines ever born are still living.
What generation is the name Katharine?
About two in five living Katharines are Millennials, born between 1981 and 1996.
Is Katharine an old name?
Somewhat. Katharine is older than 74 in 100 names on AgeByName, but younger than plenty of classics.
Is Katharine a boy or girl name?
Almost entirely girls: over 99.9% of living Katharines are women.
Names the same age as Katharine
NAME TWIN
Katharine's name twin is Ross. Of all 3,713 names on AgeByName, Ross's age curve is the closest match to Katharine's: 90% alike.
Other spellings: Catharine (56)
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Questions about the name Katharine
How old is the average Katharine?
The average Katharine in the US is 46 years old. The median is 43, so half are older and half younger.
How many people are named Katharine?
About 28,000 Katharines are alive in the US today, out of roughly 41,000 babies given the name since 1880.
When was the name Katharine most popular?
In 1982, when about 950 baby girls were named Katharine.
Is Katharine a Millennial name?
Partly. Millennials are the largest group, about 40% of living Katharines, 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