Jonathon is a distinctive boys' name in United States, ranking #501 in 2009 with 542 recorded births. The name reached its all-time peak in 1996 with 1,972 births ranking #171. Since 1996, the popularity has decreased by 72.5%. In 2009, approximately 1 in every 3,659 boys born was named Jonathon. FALLING Recent data shows the name is currently falling.