Updated January 21, 2025 Share: Table of contents Girl name origins & meanings Spanish : Light How Popular Is The Name Lux Family name origins & meanings German and Dutch : patronymic from a vernacular form of Lucas. German : variant of Luchs. French : habitational name from places so named in the Côte-d’Or, Haute-Garonne, and Saône-et-Loire. Appears On 2025 Baby Names & Trends: An Expert Look Ahead