Jonanthony is a distinctive boys' name in United States, ranking #8681 in 2005 with 8 recorded births. The name reached its all-time peak in 1999 with 12 births ranking #5481. Since 1996, the popularity has increased by 60.0%. In 2005, approximately 1 in every 249,643 boys born was named Jonanthony. FALLING Recent data shows the name is currently falling.