Marcello is a distinctive boys' name in United States, ranking #1292 in 2002 with 105 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 25.0%. In 2002, approximately 1 in every 18,490 boys born was named Marcello. RISING Recent data shows the name is currently rising.