Jonathon is a moderately popular boys' name in United States, ranking #374 in 2006 with 798 recorded births. The name reached its all-time peak in 1996 with 1,972 births ranking #171. Since 1996, the popularity has decreased by 59.5%. In 2006, approximately 1 in every 2,575 boys born was named Jonathon. FALLING Recent data shows the name is currently falling.