Lucus is a distinctive boys' name in United States, ranking #7306 in 2020 with 11 recorded births. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has decreased by 67.6%. In 2020, approximately 1 in every 156,824 boys born was named Lucus. FALLING Recent data shows the name is currently falling.