Jonanthony is a distinctive boys' name in United States, ranking #10190 in 2003 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 2003, approximately 1 in every 329,212 boys born was named Jonanthony. FALLING Recent data shows the name is currently falling.