Man from Lucania
A modern phonetic spelling of Lucas, which is the Latin form of the Greek name Loukas. It historically refers to a person from Lucania, an ancient region in Southern Italy. The name is also frequently associated with the Latin word 'lux', meaning light.
Less common today
Lukus isn't in the latest US Top 1000. It last peaked at #2,584 in 2007.
US births per 5-year period, 1990βpresent (SSA data).