A baptismal name for a girl
Thalia
One saint bore this name
Saints named Thalia
Questions
The name day of Thalia is September 1, the feast of Martyr Thalia.
The Sinaxarion archive holds 1 saints named Thalia, with their lives and icons.
Yes. Thalia is the name of a saint of the Orthodox Church, so the child will have Martyr Thalia as patron.