Lucus is a distinctive boys' name in United States, ranking #7482 in 2025 with 11 recorded births. The name reached its all-time peak in 2004 with 55 births ranking #2150. Since 1996, the popularity has decreased by 67.6%. In 2025, approximately 1 in every 155,280 boys born was named Lucus. FALLING Recent data shows the name is currently falling.