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The first name Aloysius

A boy’s name.

Pronounced /æl.əʊˈɪʃ.əs/ 4 syllables Male

Meaning and origin

Latinization of Occitan Aloys, an Occitan form of Louis. Doublet of Louis.

From Wiktionary (CC BY-SA 4.0).

Popularity

Babies registered in England and Wales, 1996–2025

Aloysius last appeared in the official list in 2024, given to 3 boys. It peaked in 2021, with 5 births (#3,451).

0510 1996200020052010201520202025
29
babies named Aloysius, 1996–2025
#5,119
rank in 2024
2021
peak year

Office for National Statistics; years with fewer than three births are not published and show as zero. Compare Aloysius with other names.

Popularity in the United States

Babies named Aloysius at birth, 1880–2025

In 2025, 20 boys born in the United States were named Aloysius, the 4,864th most popular boys’ name that year. It was used most in 1916, when 199 were.

0100200 188018851890189519001905191019151920192519301935194019451950195519601965197019751980198519901995200020052010201520202025
5,724
babies named Aloysius since 1880
#4,864
rank in 2025
1916
peak year

US Social Security Administration, from applications for a Social Security card. A name is only published for a year when at least five babies were given it, so quieter years show as zero.

Aloysius in other languages

Equivalent forms of the name, from Wiktionary

Alois
Czech
Aloïs
French
Alois
German
Alajos
Hungarian
Luigi
Italian, also Aloisio
Aloizs
Latvian
Alojzy
Polish
Aloísio
Portuguese
Алоиз
Aloiz
Russian
Alojz
Slovak
Alojz
Slovene, also Lojze
Aloisiô
Vietnamese

Spelled Aloysius in Latin too.

Famous people named Aloysius

23 on Wikidata, most written-about first

  • Aloysius Bertrand
    French poet (1807–1841)
  • James Aloysius Hickey
    Catholic cardinal (1920-2004)
  • Aloysius Ambrozic
    Canadian Roman-Catholic priest cardinal (1930–2011)
  • Aloysius Jin Luxian
    Chinese bishop (1916–2013)
  • Aloysius Maryadi Sutrisnaatmaka
    21st-century Indonesian Catholic bishop, born 1953
  • Aloysius Anagonye
    American basketball player, born 1981
  • Edmund Aloysius Walsh
    American Jesuit and founder of Georgetown University's School of Foreign Service (1885–195
  • Aloysius Fondong Abangalo
    Cameroonian Catholic priest, born 1973
  • Aloysius John Wycislo
    American Roman Catholic bishop (1908–2005)
  • Aloysius Schwartz
    American Venerable (1930-1992)
  • Aloysius Bigirumwami
    Catholic bishop (1904-1986)
  • Hugh Aloysius Donohoe
    Bishop of Fresno (1905–1987)

Questions

What does the name Aloysius mean?
Latinization of Occitan Aloys, an Occitan form of Louis. Doublet of Louis.
How popular is the name Aloysius?
In 2024, 3 boys born in England and Wales were named Aloysius, ranking 5,119th. Its peak was 2021, with 5 births.
Is Aloysius a boy's or a girl's name?
Mostly a boy's name: 100% of the 5,724 US babies named Aloysius since 1880 were boys.
When was Aloysius most popular?
1916 in the United States, when 199 babies were named Aloysius, its highest rank at 394th.
How do you pronounce Aloysius?
Aloysius is /æl.əʊˈɪʃ.əs/, 4 syllables.