Lucus is a distinctive boys' name in United States, ranking #2569 in 2008 with 49 recorded births. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has increased by 44.1%. In 2008, approximately 1 in every 41,632 boys born was named Lucus. FALLING Recent data shows the name is currently falling.