Loukia is a Greek female name. It is from the Loukas / Lucas / Lucian / Lucy / etc. name family and has the same meaning - either "from Lucania" or "light" (Originating from Lucani.)
Thymios - also Greek, male. I can't locate a meaning with the resources I have at hand at the moment.
Anthelia - Greek, female - Can be a form of Anthea and related names, "blossom, flower. OR plural of Anthelion: "A halo opposite the sun, consisting of a colored ring or rings around the shadow of the spectator's own head, as projected on a cloud or on an opposite fog bank."