What does Aloysius mean?
Aloysius \a-loy-sius\ as a boys' 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 19 more related forms via Clovis, Louis, Ludwig: Clodoveo, Clovio, Clovisito, Clovito, Lew▼, Lewes, Lodewick, Lodovico, Lou▼, Louie▼, Lucho, Ludo, Ludovic, Ludovico, Ludovicus, Ludvig, Ludvik, Luigi▼ and Luis.
Aloysius has 1 feminine form: Aloisia.
Aloysius is an unusual first name for males. Aloysius is also an unusual last name for both adults and children. (2000 U.S. Census)
Presented below is the birth name popularity of Aloysius for boys. Aloysius reached its apex rank of #372 in the U.S. during the years 1890-1899, but is not found in the list at the moment. (2014 Birth Statistics)
Popular variation forms of Aloysius listed in the Top 1000 are Luis (#99 in 2014), Louis (#289), Lewis (#597), Ludvig, Luigi, Ludwig, Lou, Clovis, Lew, Alois and Louie. These boy names reached the apex of their popularity during 1900-1909 (usage of 0.4935%) and are now significantly less widespread (usage 0.1679%, down 66%), with forms like Clovis, Lew, Alois, Louie and Aloysius becoming somewhat dated. Luis (#99) is the most fashionable baby name here. Shown below is a comparison of the popularity of Aloysius and affiliated names. (2014 Birth Statistics)
A recommended similar baby name is Aleksius. Like Aloysius, this name is not commonly used.