Meaning and name origin
Thia \thi()-thia\ as a girl's name is of Greek and Spanish origin, and the meaning of Thia is "flowery; goddess; aunt". Thia is a variant of Anthea (Greek): Latin spelling of Greek Antheia. Also a variant of Thea (Greek): short form of names like Althea, Mathea and Dorothea (Greek) "gift of God". Thia is also used as a variant of Tia (Spanish).
Thia has 1 variant form: Theia.
Thia is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).