How old is someone named Cornelius?
The average Cornelius is 46 years old.
Half of all living Corneliuses are between 32 and 61.
When was Cornelius popular?
Cornelius peaked in 1974 and has been given less and less ever since. Only 82 babies got the name in 2025.
Popular names of 1974 · The most popular names of the 1970s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 991 | 0 |
| 1910s | 3,137 | 0 |
| 1920s | 4,143 | under 100 |
| 1930s | 3,200 | 380 |
| 1940s | 2,781 | 1,200 |
| 1950s | 3,275 | 2,200 |
| 1960s | 2,832 | 2,300 |
| 1970s | 4,046 | 3,600 |
| 1980s | 4,153 | 3,900 |
| 1990s | 2,896 | 2,800 |
| 2000s | 1,923 | 1,900 |
| 2010s | 1,360 | 1,400 |
| 2020s | 524 | 520 |
How many Corneliuses are still alive?
About 20,000 Corneliuses are alive in the US today. That's 54% of the roughly 37,000 babies named Cornelius since 1880.
Roughly half of all Corneliuses ever born are still living.
What generation is the name Cornelius?
About one in four living Corneliuses are Millennials, born between 1981 and 1996.
Is Cornelius an old name?
Somewhat. Cornelius is older than 74 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 Cornelius will be 56 in 2056, so the name is aging slowly.
Is Cornelius a boy or girl name?
Mostly boys: 98.6% of living Corneliuses are men.
Names the same age as Cornelius
NAME TWIN
Cornelius's name twin is Maurice. Of all 3,713 names on AgeByName, Maurice's age curve is the closest match to Cornelius's: 93% alike.
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Questions about the name Cornelius
How old is the average Cornelius?
The average Cornelius in the US is 46 years old. The median is 46, so half are older and half younger.
How many people are named Cornelius?
About 20,000 Corneliuses are alive in the US today, out of roughly 37,000 babies given the name since 1880.
When was the name Cornelius most popular?
In 1974, when about 500 baby boys were named Cornelius.
Is Cornelius a Millennial name?
Partly. Millennials are the largest group, about 28% of living Corneliuses, 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