Lucus is derived from the Latin word 'lux,' meaning light. It was originally a Roman family name, but has since been adopted as a given name. The name has gained popularity in recent years, particularly among English-speaking countries. It is often spelled Lucas, although the original Latin spelling is Lucus.
The name Lucus experienced notable fluctuations in popularity over the past century. It peaked between 1975 and 1984, with a high of 71 births in 1980. However, since then, its usage has declined significantly, with only 13 births recorded in 2023. Overall, there have been 1764 Lucuses born between 1909 and 2023.