Jonanthony is a distinctive boys' name in United States, ranking #7094 in 2000 with 9 recorded births. The name reached its all-time peak in 1999 with 12 births ranking #5481. Since 1996, the popularity has increased by 80.0%. In 2000, approximately 1 in every 218,215 boys born was named Jonanthony. FALLING Recent data shows the name is currently falling.