Justus is a distinctive girls' name in United States, ranking #5503 in 1997 with 18 recorded births. The name reached its all-time peak in 1996 with 39 births ranking #3054. Since 1996, the popularity has decreased by 53.8%. In 1997, approximately 1 in every 96,703 girls born was named Justus. FALLING Recent data shows the name is currently falling.