Marcelo is a moderately popular boys' name in United States, ranking #444 in 2024 with 709 recorded births. The name reached its all-time peak in 2024 with 709 births ranking #444. Since 1996, the popularity has increased by 351.6%. In 2024, approximately 1 in every 2,419 boys born was named Marcelo. RISING Recent data shows the name is currently rising.