Boy’s name · Latin, Spanish, Portuguese

Marcelo

How to say it: mahr-SEH-loh · /mɑrˈsɛloʊ/

Spanish and Portuguese form of Marcellus, diminutive of Marcus, from Latin Mars (Roman god of war).

Marcelo was the 407th most popular boys’ name in the United States in 2025, given to 798 babies (Social Security Administration). The 2020s are its busiest decade so far, its births are up 2.5-fold in ten years, and it is projected to rise to #290 by 2030.

Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures

#407for boys in 2025
1 in 4,154US babies
798born in 2025
#290projected for 2030
2020sits peak decade
1 in 174chance a classmate shares it

Key facts

Key facts about Marcelo
Rank among boys’ names, 2025#407
Babies born in 2025798
Share of births1 in 4,154
Peak decade2020s
Change over 10 years×2.5
Projected rank for 2030 (estimate)#290
In France, 2025#1,000 among boys’ names, 25 births

Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.

Its life, decade by decade

Recent years have lifted Marcelo to its strongest point in the 2020s. Still at its peak, further growth looks likely.

1900195020002020–25
Peak: 340 per million births, 2020s.

What goes with it

With three rolling syllables and a soft breathy sound, Marcelo feels strong and melodic. Leonardo would pair nicely in style.

In the classroom

In a class of 25 children born in 2025, the chance that another child is called Marcelo is about 1 in 174.

Around the world

This spelling is used in English, French, Portuguese, Spanish.

In France: #1,000 for boys in 2025.

Famous people named Marcelo

From Wikidata and Wikipedia

Keep exploring

Find names you'll both love, starting with Marcelo

The one-minute style quiz.

Take the quiz

Or see the Vowel app →