Jonanthony is a distinctive boys' name in United States, ranking #9992 in 2002 with 6 recorded births. The name reached its all-time peak in 1999 with 12 births ranking #5481. Since 1996, the popularity has increased by 20.0%. In 2002, approximately 1 in every 323,579 boys born was named Jonanthony. FALLING Recent data shows the name is currently falling.