Jon is a moderately popular boys' name in England & Wales, ranking #340 in 2003 with 80 recorded births. The name reached its all-time peak in 1996 with 124 births ranking #239. Since 1996, the popularity has decreased by 35.5%. In 2003, approximately 1 in every 3,744 boys born was named Jon. FALLING Recent data shows the name is currently falling.