Baby Names Girl Names Meaning of the Name Theresia Updated April 12, 2026 by Jennifer M. Theresia Gender: Female Origin: Greek Meaning: Harvester ♥ Add to my Namelist What is the meaning of the name Theresia? The name Theresia is primarily a female name of Greek origin that means Harvester. Form of TheresaPeople who like the name Theresia also like: Damara, Nyx, Calandra, Juniper, Keaira, Charlotte, Thea, Gerard, Sebastian, Zeno, Damon, Cormac, Ronan, Dominic Names like Theresia: Tareq, Tyreak, Turquoise, Tarak, Tariq, Teruko, Tracy, Tiras, Trusha, Todorka, Tress, Tyrese, Torres, Tirzah, Terje, Taurus, Trhaas, Taariq, Teresa, Tyrique, Tracey, Theodorsia, Terrica, Tirza, Terris, Taraji, Truc, Triska, Theodoric, Teruyoshi Stats for the Name Theresia Theresia is currently not in the top 100 on the Baby Names Popularity Charts Theresia is currently not ranked in U.S. births