Justus is a distinctive girls' name in United States, ranking #5462 in 1998 with 19 recorded births. The name reached its all-time peak in 1996 with 39 births ranking #3054. Since 1996, the popularity has decreased by 51.3%. In 1998, approximately 1 in every 92,994 girls born was named Justus. FALLING Recent data shows the name is currently falling.