Yes. My female friend is called Aloysius.
Aloysius Vachet's birth name is Claude-Louis de Gonzague Vachet.
His first name is 'Aloysius'.
Aloysius is "Alabhaois" in Irish. Alabhaois has no meaning it's just a phonetic translation. Aloysius is a Latinized version of Luigi made up by the Catholic Church when they were canonizing St Aloysius Gonzaga. Luigi comes from Louis which comes from Clovis which is similar to the Germanic name Hludwig. It is only an Irish name in that it is sometimes used by Irish and Irish Americans.
Orlando Aloysius Battista
Bil Keane's birth name is William Aloysius Keane.
Patrick Ewing's birth name is Patrick Aloysius Ewing.
Allan Dwan's birth name is Dwan, Joseph Aloysius.
Brendan Bonner's birth name is Brendan Aloysius Bonner.
Frank Tinney's birth name is Aloysius Robert Tinney.
Alfred Paix's birth name is Alfred Aloysius Pich.
Al McGranary's birth name is Aloysius Cornelius McGranary.
Jack McKeon's birth name is John Aloysius McKeon.