Marcello is a distinctive boys' name in United States, ranking #900 in 2025 with 265 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 215.5%. In 2025, approximately 1 in every 6,446 boys born was named Marcello. RISING Recent data shows the name is currently rising.