Jonathon is a moderately popular boys' name in United States, ranking #291 in 2003 with 1,072 recorded births. The name reached its all-time peak in 1996 with 1,972 births ranking #171. Since 1996, the popularity has decreased by 45.6%. In 2003, approximately 1 in every 1,843 boys born was named Jonathon. FALLING Recent data shows the name is currently falling.