How old is someone named Marcellus?
The average Marcellus is 27 years old.
Half of all living Marcelluses are between 7 and 43.
When was Marcellus popular?
Marcellus was popular around 1880, faded for decades, and is back: 208 babies got the name in 2025.
Popular names of 2021 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 108 | 0 |
| 1910s | 410 | 0 |
| 1920s | 523 | 0 |
| 1930s | 359 | under 100 |
| 1940s | 326 | 140 |
| 1950s | 414 | 270 |
| 1960s | 612 | 500 |
| 1970s | 823 | 740 |
| 1980s | 674 | 630 |
| 1990s | 1,032 | 1000 |
| 2000s | 1,035 | 1,000 |
| 2010s | 1,403 | 1,400 |
| 2020s | 1,732 | 1,700 |
How many Marcelluses are still alive?
About 7,500 Marcelluses are alive in the US today. That's 78% of the roughly 9,600 babies named Marcellus since 1880.
Most Marcelluses ever born are still alive.
What generation is the name Marcellus?
About two in five living Marcelluses are in Gen Alpha, born in 2013 or later.
Is Marcellus an old name?
Not really. Marcellus is younger than 54 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Marcellus will be 31 in 2056, about the same as today.
Is Marcellus a boy or girl name?
Almost entirely boys: 99.9% of living Marcelluses are men.
Names the same age as Marcellus
NAME TWIN
Marcellus's name twin is Lorenzo. Of all 3,713 names on AgeByName, Lorenzo's age curve is the closest match to Marcellus's: 90% alike.
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Questions about the name Marcellus
How old is the average Marcellus?
The average Marcellus in the US is 27 years old. The median is 23, so half are older and half younger.
How many people are named Marcellus?
About 7,500 Marcelluses are alive in the US today, out of roughly 9,600 babies given the name since 1880.
When was the name Marcellus most popular?
In 2021, when about 350 baby boys were named Marcellus.
Is Marcellus a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 38% of living Marcelluses, 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