How old is someone named Kelvin?
The average Kelvin is 42 years old.
Half of all living Kelvins are between 27 and 59.
When was Kelvin popular?
Few names are as steady as Kelvin. It peaked in 1961, but babies have been named Kelvin every year since records began, and 214 were in 2025.
Popular names of 1961 · The most popular names of the 1960s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1910s | 11 | 0 |
| 1920s | 61 | 0 |
| 1930s | 182 | under 100 |
| 1940s | 228 | 100 |
| 1950s | 5,203 | 3,600 |
| 1960s | 11,952 | 9,600 |
| 1970s | 8,008 | 7,200 |
| 1980s | 7,241 | 6,800 |
| 1990s | 7,433 | 7,200 |
| 2000s | 6,264 | 6,200 |
| 2010s | 3,875 | 3,800 |
| 2020s | 1,397 | 1,400 |
How many Kelvins are still alive?
About 46,000 Kelvins are alive in the US today. That's 88% of the roughly 52,000 babies named Kelvin since 1912.
Most Kelvins ever born are still alive.
What generation is the name Kelvin?
About one in four living Kelvins are Gen Xers, born between 1965 and 1980.
- Boomer 19%
- Gen X 27%
- Millennial 25%
- Gen Z 21%
- Gen Alpha 8%
Is Kelvin an old name?
Somewhat. Kelvin is older than 68 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 Kelvin will be 54 in 2056, so the name is aging slowly.
Is Kelvin a boy or girl name?
Almost entirely boys: 99.4% of living Kelvins are men.
Names the same age as Kelvin
NAME TWIN
Kelvin's name twin is Lourdes. Of all 3,713 names on AgeByName, Lourdes's age curve is the closest match to Kelvin's: 93% alike.
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Questions about the name Kelvin
How old is the average Kelvin?
The average Kelvin in the US is 42 years old. The median is 43, so half are older and half younger.
How many people are named Kelvin?
About 46,000 Kelvins are alive in the US today, out of roughly 52,000 babies given the name since 1912.
When was the name Kelvin most popular?
In 1961, when about 1,400 baby boys were named Kelvin.
Is Kelvin a Gen X name?
Partly. Gen X are the largest group, about 27% of living Kelvins, 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