Marcello is a distinctive boys' name in United States, ranking #1002 in 2024 with 224 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 166.7%. In 2024, approximately 1 in every 7,658 boys born was named Marcello. RISING Recent data shows the name is currently rising.