Jon is a moderately popular boys' name in England & Wales, ranking #431 in 2004 with 64 recorded births. The name reached its all-time peak in 1996 with 124 births ranking #239. Since 1996, the popularity has decreased by 48.4%. In 2004, approximately 1 in every 4,820 boys born was named Jon. FALLING Recent data shows the name is currently falling.