Giancarlo is a distinctive boys' name in United States, ranking #814 in 2012 with 272 recorded births. The name reached its all-time peak in 2008 with 381 births ranking #641. Since 1996, the popularity has increased by 115.9%. In 2012, approximately 1 in every 6,973 boys born was named Giancarlo. FALLING Recent data shows the name is currently falling.