Jonathon is a moderately popular boys' name in United States, ranking #453 in 2008 with 613 recorded births. The name reached its all-time peak in 1996 with 1,972 births ranking #171. Since 1996, the popularity has decreased by 68.9%. In 2008, approximately 1 in every 3,328 boys born was named Jonathon. FALLING Recent data shows the name is currently falling.