Eustacia \e(u)-sta-cia, eus-tacia\ as a girl's name is pronounced yoo-STAY-shah. It is of Greek origin, and the meaning of Eustacia is "good grapes; to stand". Feminine form of Eustace.

Eustacia has 7 variant forms: Eustacie, Eustolia, Stacey, Stacia, Stacie, Stacy and Stasia.

Baby names that sound like Eustacia are Justice and Justyce.