Marcelo has been given to about 13,231 people in the United States since 1880. It was most common in 2025, which makes it a current name.
Marcelo ranks 399th among American boys in 2025, with 798 born that year. Its best year was 2025, when 798 babies were given the name, ranking 399th. The typical living American called Marcelo is about 14 years old today. It is relatively most common in New Mexico, where it accounts for 0.07% of births.
Source: US Social Security Administration, national and state name files, 2025 release, and the Office for National Statistics for England and Wales. Etymology researched and written by our editors. Living-population and median-age figures are our own estimates, described in the methodology.