name meaning: Aloysius \a-loy-sius\ as a boy's name is pronounced al-oo-ISH-us. It is of Old German origin, and the meaning of Aloysius is "famous warrior". Latin version of Luigi or Louis, also related to Clovis and Ludwig. The name was rather common in Italy in the Middle Ages, and was by made popular by the 16th-century Italian saint Aloysius, patron saint of students. Sixteen kings of France bore the French form of this name, Louis.
Aloysius has 14 variant forms: Ahlois, Aloess, Alois, Aloisio, Aloisius, Aloisio, Aloj, Alojzy, Aloys, Lewis, Louis, Ludwick, Ludwig and Lutwick.
For more information, see also related names Aloiki and Elois.
Baby names that sound like Aloysius are Ulysses and Ulises.
View a list of the 4 names that reference Aloysius.