Gianncarlo is a distinctive boys' name in United States, ranking #8993 in 2006 with 8 recorded births. The name reached its all-time peak in 2009 with 10 births ranking #7897. Since 1996, the popularity has increased by 60.0%. In 2006, approximately 1 in every 256,890 boys born was named Gianncarlo. FALLING Recent data shows the name is currently falling.