How old is someone named Marcelo?
The average Marcelo is 19 years old.
Half of all living Marcelos are between 5 and 28.
When was Marcelo popular?
Marcelo has been rising for years and peaked in 2025, so most Marcelos are still kids.
Popular names of 2025 · The most popular names of the 2020s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 6 | 0 |
| 1910s | 68 | 0 |
| 1920s | 187 | 0 |
| 1930s | 209 | under 100 |
| 1940s | 195 | under 100 |
| 1950s | 255 | 170 |
| 1960s | 397 | 320 |
| 1970s | 678 | 610 |
| 1980s | 796 | 750 |
| 1990s | 1,338 | 1,300 |
| 2000s | 2,187 | 2,200 |
| 2010s | 3,400 | 3,400 |
| 2020s | 3,515 | 3,500 |
How many Marcelos are still alive?
About 12,000 Marcelos are alive in the US today. That's 93% of the roughly 13,000 babies named Marcelo since 1907.
Nearly every Marcelo ever born is still alive, because almost all of them are young.
What generation is the name Marcelo?
About half of living Marcelos are in Gen Alpha, born in 2013 or later.
Is Marcelo an old name?
Not really. Marcelo is younger than 72 in 100 names on AgeByName.
Looking ahead: if babies keep getting the name at today's pace, the typical Marcelo will be 26 in 2056, so the name is aging slowly.
Is Marcelo a boy or girl name?
Almost entirely boys: over 99.9% of living Marcelos are men.
Names the same age as Marcelo
NAME TWIN
Marcelo's name twin is Cyrus. Of all 3,713 names on AgeByName, Cyrus's age curve is the closest match to Marcelo's: 93% alike.
Other spellings: Marcello (24)
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Questions about the name Marcelo
How old is the average Marcelo?
The average Marcelo in the US is 19 years old. The median is 14, so half are older and half younger.
How many people are named Marcelo?
About 12,000 Marcelos are alive in the US today, out of roughly 13,000 babies given the name since 1907.
When was the name Marcelo most popular?
In 2025, when about 800 baby boys were named Marcelo.
Is Marcelo a Gen Alpha name?
Partly. Gen Alpha are the largest group, about 50% of living Marcelos, 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