Recorded 1907–2025 · United States
Marcelo was most popular in 2025, when 798 American babies were given the name — ranking #804 that year. In 2025 it ranked #804, with 798 births. Across 1880–2025 the Social Security Administration has recorded 13,231 people named Marcelo.
Marcelo first appears in Social Security Administration records in 1907, which makes it about 118 years old as a recorded American name. It has been recorded in 114 of the 119 years since.
The Social Security Administration has recorded 13,231 American births named Marcelo between 1880 and 2025. That is recorded US births, not a world population — it counts people issued a Social Security number at birth in the United States. Of those, roughly 12,308 are estimated to be alive today.
798 American babies were named Marcelo in 2025, ranking #804 that year.
Marcelo is rising. Across 2021–2025 it averaged 619 births a year, against 290 a year across 2011–2015 — a change of +114% over the decade.
Measured on recorded births. American births overall have fallen since 2007, so most established names lose births over any recent decade — a name can shed births and still hold its rank. Compare the rank above, which is measured against the other names of the same year.
Across the whole record Marcelo is a boy’s name — 0.0% of the 13,231 Americans given it were girls and 100.0% were boys. In births since 2016 it is 0% girls and 100% boys.
Counted from every US birth the Social Security Administration recorded under this name, so it reflects use rather than opinion. A name given to fewer than five babies of one sex in a year is withheld at source and is not counted.
Roughly 12,308 Americans named Marcelo are alive today — 93% of everyone ever recorded with the name. The median is 14 years old, and half are between 6 and 28.
An estimate, not a count. Recorded births are carried forward through the Social Security Administration’s 2023 period life table, by age and sex. That table describes mortality in one recent year, so it credits the oldest cohorts with today’s survival rather than the harsher rates they actually lived through — the further back a name peaked, the more this will overstate how many remain. It counts people issued a Social Security number at birth, not immigrants who arrived later.
How much more common the name is in each state than across the country as a whole.
See Marcelo on the interactive charts
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Source: U.S.A. Social Security Administration. Years 1880–2025. namelegacy.org