Marcello is a distinctive boys' name in United States, ranking #1363 in 1999 with 88 recorded births. This places Marcello in the top 12% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2025 with 265 births ranking #900. In 1999, approximately 1 in every 21,819 boys born was named Marcello. RISING Recent data shows the name is currently rising.