Marcello is a distinctive boys' name in United States, ranking #1330 in 2021 with 140 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 66.7%. In 2021, approximately 1 in every 12,487 boys born was named Marcello. RISING Recent data shows the name is currently rising.