Aloysius
[əˈlɔɪʃəs]Meaning
latinized form of Aloys, an old Occitan form of Louis
Background Story
Aloysius is the Latinized form of Aloys, an old Occitan form of Louis, and a doublet of Louis. It was the name of the Italian saint Aloysius Gonzaga (1568-1591), and has been in occasional use among Catholics since his time. The name is used in Basque, Breton, Catalan, Croatian, Czech, Danish, Dutch, Esperanto, Flemish, Frankish, French and French (Quebec).

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Form of the Latin name Hadrianus, from the place name Hadria