In the English origin, Lucas means "Light; Illumination"
In the German origin, Lucas means "Lucas \l(u)-cas\ as a boy's name is pronounced LOO-kas. Transferred surname and variant of Luke. Popular in Germany. Film director George Lucas; actor Lukas Haas.
Lucas has 3 variant forms: Loucas, Loukas and Lukas.
For more information, see also the related name Lucky.
Baby names that sound like Lucas are Lugus, Lexo and Lex.
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In the Latin origin, Lucas means "Bringer of light"