Giancarlo is a distinctive boys' name in United States, ranking #721 in 2010 with 319 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 153.2%. In 2010, approximately 1 in every 6,014 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.