What does Selenia mean?
Selenia \s(e)-le-nia\ as a girls' name is of Greek origin, and the meaning of the name Selenia is "the moon". Selenia is a form of Selena (Greek): from Selene. Selenia is also a derivative of Selina (Greek): of uncertain origin.
Selenia is an uncommon given name for women. Selenia is also a unique last name for all people. (2000 U.S. Census)
Below is a graphed analysis of the usage of Selenia and associated names. Selena (#346 a year ago), Celine (#714), Selene, Selina, Sena, Salina, Celina, Salena and Celena are the popular related forms of Selenia (#unlisted). This girl name reached the apex of its popularity in 1995 and has become significantly less widespread since, with the forms Sena, Selina, Salina and Celina becoming less trendy. Celine (#714) and Selena (#346) are two of the more contemporarily stylish girl names here. There is also a revival in birth name usage for both names. (Top 1000 Baby Names Statistics, 2014)