Lucus is a distinctive boys' name in United States, ranking #2893 in 2012 with 41 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 20.6%. In 2012, approximately 1 in every 46,259 boys born was named Lucus. FALLING Recent data shows the name is currently falling.