Lucus is a distinctive boys' name in United States, ranking #2422 in 2010 with 52 recorded births. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has increased by 52.9%. In 2010, approximately 1 in every 36,893 boys born was named Lucus. FALLING Recent data shows the name is currently falling.