Aloysius is a distinctive boys' name in United States, ranking #4785 in 2021 with 20 recorded births. The name reached its all-time peak in 2017 with 28 births ranking #3782. Since 1996, the popularity has increased by 100.0%. In 2021, approximately 1 in every 87,412 boys born was named Aloysius. RISING Recent data shows the name is currently rising.