Justus is a distinctive boys' name in United States, ranking #1058 in 2019 with 193 recorded births. The name reached its all-time peak in 2007 with 300 births ranking #747. Since 1996, the popularity has decreased by 22.2%. In 2019, approximately 1 in every 9,292 boys born was named Justus. FALLING Recent data shows the name is currently falling.