Json is a distinctive boys' name in United States, ranking #3809 in 1997 with 18 recorded births. This places Json in the top 35% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1996 with 49 births ranking #1857. Since 1996, the popularity has decreased by 63.3%. In 1997, approximately 1 in every 104,727 boys born was named Json. FALLING Recent data shows the name is currently falling.