Aloysius
Literal root meaning: “loud; famous + battle”
About the name Aloysius
Aloysius is a boy name with Proto-Germanic roots, literally “loud; famous + battle”. It is related to Louis, which is where the meaning comes from.
It has a unique feel. In 2025, Aloysius ranked #4864 for boys in the US, with 20 babies given the name. Its peak year since 1940 was 1940. Since 2000, 100% of US babies named Aloysius were boys.
Etymology
A form of Louis, which comes from Proto-Germanic, meaning “loud; famous” + “battle”.
Name meaning adapted from Wiktionary (“Aloysius”, “Louis”) by Wiktionary contributors, CC BY-SA 4.0.
- US rank 2025
- #4864
- In 2015
- #5068
- Babies in 2025
- 20
Popularity of Aloysius, 1940–2025
Latest SSA data: 2025.
Popularity data: U.S. Social Security Administration national baby names (public domain; names given to at least 5 babies of one sex per year).
Names similar to Aloysius
Name meanings marked or linked “Wiktionary” are adapted from Wiktionary by Wiktionary contributors, CC BY-SA 4.0; each name page links its source entry.