Lucus is a distinctive boys' name in United States, ranking #3035 in 2001 with 30 recorded births. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has decreased by 11.8%. In 2001, approximately 1 in every 64,761 boys born was named Lucus. FALLING Recent data shows the name is currently falling.