Aloysius is a distinctive boys' name in United States, ranking #8692 in 2003 with 7 recorded births. The name reached its all-time peak in 2017 with 28 births ranking #3782. Since 1996, the popularity has decreased by 30.0%. In 2003, approximately 1 in every 282,181 boys born was named Aloysius. RISING Recent data shows the name is currently rising.