Probably related to Thalia, the Greek name meaning "to blossom" or "flourish," with an added initial vowel.
Ithalia is probably related to Thalia, the Greek name meaning to blossom or flourish, with an added initial vowel. That gives it a softer, more elaborate silhouette while keeping the mythological and floral associations of its source.
Names connected to Thalia often feel lively and creative because of the Muse's literary resonance, and Ithalia inherits some of that brightness. The name sounds graceful and slightly uncommon, with the kind of melodic finish that makes it feel almost musical. It has enough classical depth to seem established, but enough variation to feel contemporary. Ithalia works especially well as a name that suggests growth and beauty without leaning too heavily on any one familiar tradition.