Justo is a distinctive boys' name in United States, ranking #6842 in 2014 with 12 recorded births. This places Justo in the top 49% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 1998 with 29 births ranking #2824. Since 1996, the popularity has decreased by 45.5%. In 2014, approximately 1 in every 160,037 boys born was named Justo. FALLING Recent data shows the name is currently falling.