Justus is a distinctive boys' name in United States, ranking #918 in 2016 with 235 recorded births. This places Justus in the top 6% of ranked US boys' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 2007 with 300 births ranking #747. In 2016, approximately 1 in every 8,073 boys born was named Justus. FALLING Recent data shows the name is currently falling.