Jonathon is a moderately popular boys' name in England & Wales, ranking #474 in 2005 with 59 recorded births. This places Jonathon in the top 9% of ranked UK boys' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1996 with 190 births ranking #175. Since 1996, the popularity has decreased by 68.9%. In 2005, approximately 1 in every 5,245 boys born was named Jonathon. RISING Recent data shows the name is currently rising.