Justus is a distinctive girls' name in United States, ranking #6830 in 2021 with 17 recorded births. The name reached its all-time peak in 1996 with 39 births ranking #3054. Since 1996, the popularity has decreased by 56.4%. In 2021, approximately 1 in every 96,454 girls born was named Justus. FALLING Recent data shows the name is currently falling.