Jonanthony is a distinctive boys' name in United States, ranking #7991 in 1998 with 7 recorded births. The name reached its all-time peak in 1999 with 12 births ranking #5481. Since 1996, the popularity has increased by 40.0%. In 1998, approximately 1 in every 273,045 boys born was named Jonanthony. FALLING Recent data shows the name is currently falling.