The name Aloysius is a boy's name of Latin origin meaning "famous warrior". Aloysius and is often added to lists like Ancient Roman Names for Boys and discussed in our forums with posts like "Baby a Day".
From the experts:
This name is a classic example of an underused golden oldie that ticks so many boxes - unusual yet traditional, heaps of cute nicknames, a statement name that exudes retro cool. Aloysius is the Latin form of many more common names like Louis, Luis, Luigi and the uncommon but symphonically familiar Ludwig.
Aloysius is familiar to Catholic name seekers as the name of the saint who died treating those afflicted by a pandemic, and is therefore a symbol of selfless caring - a worthy namesake in these somewhat egocentric times.
The feminine form is Aloysia.