Lucus is a distinctive boys' name in United States, ranking #2775 in 2006 with 42 recorded births. This places Lucus in the top 20% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has increased by 23.5%. In 2006, approximately 1 in every 48,931 boys born was named Lucus. FALLING Recent data shows the name is currently falling.