The story of Gianmarco
Gianmarco is rare for boys in the United States, ranked #5,690 in 2025 with 16 babies given the name. It is currently declining compared with a decade ago.
Since 1983, 829 American babies have been named Gianmarco. Its peak came in 2005, when 48 newborns received the name, the signature sound of the 2000s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Gianmarco stood among all boys' names in any year, or use the compare tool to plot it against other names.