How old is someone named Knox?
The average Knox is 8 years old.
Half of all living Knoxes are between 4 and 11.
When was Knox popular?
Most of the Knoxes in the country were born in the last 15 years. The name peaked in 2022 and is still near the top.
Popular names of 2022 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 20 | 0 |
| 1910s | 111 | 0 |
| 1920s | 173 | 0 |
| 1930s | 95 | under 100 |
| 1940s | 111 | under 100 |
| 1950s | 92 | under 100 |
| 1960s | 41 | under 100 |
| 1970s | 20 | under 100 |
| 1980s | 30 | under 100 |
| 1990s | 127 | 120 |
| 2000s | 753 | 740 |
| 2010s | 12,170 | 12,000 |
| 2020s | 10,619 | 11,000 |
How many Knoxes are still alive?
About 24,000 Knoxes are alive in the US today. That's 97% of the roughly 24,000 babies named Knox since 1881.
Nearly every Knox ever born is still alive, because almost all of them are young.
What generation is the name Knox?
About nine in ten living Knoxes are in Gen Alpha, born in 2013 or later.
Is Knox an old name?
No. Knox is one of the youngest names around: younger than 97 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Knox will be 22 in 2056, so the name is aging slowly.
Is Knox a boy or girl name?
Almost entirely boys: 99% of living Knoxes are men.
Names the same age as Knox
NAME TWIN
Knox's name twin is Kayson. Of all 3,713 names on AgeByName, Kayson's age curve is the closest match to Knox's: 93% alike.
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Questions about the name Knox
How old is the average Knox?
The average Knox in the US is 8 years old. The median is 7, so half are older and half younger.
How many people are named Knox?
About 24,000 Knoxes are alive in the US today, out of roughly 24,000 babies given the name since 1881.
When was the name Knox most popular?
In 2022, when about 1,900 baby boys were named Knox.
Is Knox a Gen Alpha name?
Yes. About 87% of living Knoxes are in Gen Alpha, born in 2013 or later.
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