Meaning and history
Marco is the Italian form of Marcus, related to Mark. It was common in medieval Venice, where Saint Mark was believed to be buried, and was famously borne by 13th-century Venetian explorer Marco Polo, who traveled across Asia to China.
Marco rose from #387 to #370 for boys between 2024 and 2025. Its highest annual birth count came in 2005, with 2,117 births.