Giancarlo is a distinctive boys' name in United States, ranking #793 in 2011 with 280 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 122.2%. In 2011, approximately 1 in every 6,782 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.