Json is a distinctive boys' name in United States, ranking #3345 in 1998 with 23 recorded births. The name reached its all-time peak in 1996 with 49 births ranking #1857. Since 1996, the popularity has decreased by 53.1%. In 1998, approximately 1 in every 83,101 boys born was named Json. FALLING Recent data shows the name is currently falling.