Json is a distinctive boys' name in United States, ranking #6975 in 2003 with 10 recorded births. The name reached its all-time peak in 1996 with 49 births ranking #1857. Since 1996, the popularity has decreased by 79.6%. In 2003, approximately 1 in every 197,527 boys born was named Json. FALLING Recent data shows the name is currently falling.