Aloisia \a-loi-sia\ as a girl's name is pronounced al-oo-SEE-ah. It is of Old German origin, and the meaning of Aloisia is "famous warrior". Feminine form of Aloysius, the name of a 16th-century Spanish saint.
Aloisia has 4 variant forms: Aloise, Aloysia, Eloisia and Eloysia.
Baby names that sound like Aloisia are Alisia and Aloisa.