Marcello is a distinctive boys' name in United States, ranking #1332 in 2019 with 137 recorded births. The name reached its all-time peak in 2025 with 265 births ranking #900. Since 1996, the popularity has increased by 63.1%. In 2019, approximately 1 in every 13,090 boys born was named Marcello. RISING Recent data shows the name is currently rising.