Meaning and Name Origin
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)
Shown below is a comparison of the popularity of the boy name Aloysius and affiliated names. 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 the years 1900-1909 and are now significantly less widespread, with forms like Lou, Louie, Ludwig, Luigi and Alois becoming somewhat dated. Luis (#99) is the most fashionable baby name here. (2014 Birth Statistics)
A recommended similar baby name is Aleksius. Like Aloysius, this name is not commonly used.