Jonathon is a moderately popular boys' name in United States, ranking #252 in 2001 with 1,325 recorded births. The name reached its all-time peak in 1996 with 1,972 births ranking #171. Since 1996, the popularity has decreased by 32.8%. In 2001, approximately 1 in every 1,466 boys born was named Jonathon. FALLING Recent data shows the name is currently falling.