Marcello is a distinctive boys' name in United States, ranking #1054 in 2009 with 180 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 114.3%. In 2009, approximately 1 in every 11,018 boys born was named Marcello. RISING Recent data shows the name is currently rising.