Justo is a distinctive boys' name in United States, ranking #7816 in 2013 with 10 recorded births. The name reached its all-time peak in 1998 with 29 births ranking #2824. Since 1996, the popularity has decreased by 54.5%. In 2013, approximately 1 in every 189,125 boys born was named Justo. FALLING Recent data shows the name is currently falling.