Johncarlo is a distinctive boys' name in United States, ranking #6549 in 1998 with 9 recorded births. The name reached its all-time peak in 2007 with 16 births ranking #5545. Since 1996, the popularity has increased by 12.5%. In 1998, approximately 1 in every 212,369 boys born was named Johncarlo. STABLE Recent data shows the name is currently stable.