Justus is a distinctive girls' name in United States, ranking #6682 in 2007 with 20 recorded births. The name reached its all-time peak in 1996 with 39 births ranking #3054. Since 1996, the popularity has decreased by 48.7%. In 2007, approximately 1 in every 96,122 girls born was named Justus. FALLING Recent data shows the name is currently falling.