Giancarlo is a distinctive boys' name in United States, ranking #783 in 2013 with 287 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 127.8%. In 2013, approximately 1 in every 6,590 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.