Mathea \m(a)-thea\ as a girl's name is a variant of Mattea (Hebrew), and the meaning of Mathea is "gift of God". See also Thea.
The baby name Mathea sounds like Matha, Matthea and Mathia. Other similar baby names are Bethea, Kathee, Katha, Cathee, Cathe, Catha, Cathia, Kathe, Kathia, Kathey, Malea, Mahra, Martha, Mata, Marthe, Masha, Mattia and Matthia.