Jonathon is a moderately popular boys' name in England & Wales, ranking #279 in 1999 with 100 recorded births. The name reached its all-time peak in 1996 with 190 births ranking #175. Since 1996, the popularity has decreased by 47.4%. In 1999, approximately 1 in every 3,032 boys born was named Jonathon. RISING Recent data shows the name is currently rising.