Aloysius is a distinctive boys' name in United States, ranking #5165 in 2019 with 18 recorded births. The name reached its all-time peak in 2017 with 28 births ranking #3782. Since 1996, the popularity has increased by 80.0%. In 2019, approximately 1 in every 99,631 boys born was named Aloysius. RISING Recent data shows the name is currently rising.