Lucus is a distinctive boys' name in United States, ranking #6944 in 2021 with 12 recorded births. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has decreased by 64.7%. In 2021, approximately 1 in every 145,686 boys born was named Lucus. FALLING Recent data shows the name is currently falling.