Aloysius is a distinctive boys' name in United States, ranking #7715 in 2008 with 10 recorded births. This places Aloysius in the bottom 47% of ranked US boys' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2017 with 28 births ranking #3782. In 2008, approximately 1 in every 203,995 boys born was named Aloysius. RISING Recent data shows the name is currently rising.