Aloysius
Latinization of Occitan Aloys, an Occitan form of Louis.
Every Aloysius since 1880 — 5,724 of them. Popularity, births, and rankings for each year, from official Social Security records.
The story of Aloysius
Aloysius is rare for boys in the United States, ranked #4,864 in 2025 with 20 babies given the name. It is currently rising compared with a decade ago.
Since 1880, 5,724 American babies have been named Aloysius. Its peak came in 1916, when 199 newborns received the name — the signature sound of the 1910s.
The chart above shows the full history: the popularity view (births per 1,000 babies) is the honest comparison across generations, since total US births have changed enormously since 1880. Switch to the rank view to see where Aloysius stood among all boys' names in any year, or use the compare tool to plot it against other names.
Aloysius year by year
Every year since 2001, and five-year steps back to 1880. Rank is within each sex.
| Year | Boys | Boys rank |
|---|---|---|
| 2025 | 20 | #4,864 |
| 2024 | 21 | #4,711 |
| 2023 | 17 | #5,479 |
| 2022 | 19 | #5,026 |
| 2021 | 20 | #4,788 |
| 2020 | 18 | #5,047 |
| 2019 | 18 | #5,165 |
| 2018 | 17 | #5,328 |
| 2017 | 28 | #3,783 |
| 2016 | 15 | #5,802 |
| 2015 | 18 | #5,068 |
| 2014 | 11 | #7,074 |
| 2013 | 16 | #5,413 |
| 2012 | 12 | #6,643 |
| 2011 | 12 | #6,596 |
| 2010 | 14 | #6,048 |
| 2009 | 15 | #5,814 |
| 2008 | 10 | #7,716 |
| 2007 | 14 | #5,915 |
| 2006 | 13 | #6,108 |
| 2005 | 11 | #6,655 |
| 2004 | 14 | #5,504 |
| 2003 | 7 | #8,693 |
| 2002 | 13 | #5,409 |
| 2001 | 8 | #7,556 |
| 2000 | 16 | #4,585 |
| 1995 | 8 | #6,434 |
| 1990 | 10 | #5,009 |
| 1985 | 17 | #2,834 |
| 1980 | 16 | #2,833 |
| 1975 | 11 | #3,253 |
| 1970 | 21 | #1,940 |
| 1965 | 21 | #1,722 |
| 1960 | 27 | #1,552 |
| 1955 | 27 | #1,485 |
| 1950 | 29 | #1,341 |
| 1945 | 32 | #1,163 |
| 1940 | 50 | #894 |
| 1935 | 49 | #903 |
| 1930 | 93 | #634 |
| 1925 | 136 | #527 |
| 1920 | 194 | #431 |
| 1915 | 187 | #393 |
| 1910 | 29 | #524 |
| 1905 | 26 | #421 |
| 1900 | 37 | #358 |
| 1895 | 27 | #358 |
| 1890 | 13 | #533 |
| 1885 | 15 | #480 |
| 1880 | 12 | #527 |
Famous people named Aloysius
- Aloysius Gonzaga Religious figure · 1568–1591
- Aloysius Stepinac Religious figure · 1898–1960
- Aloysius Lilius Mathematician · 1510–1576
- Aloysius Bertrand Writer · 1807–1841
- Aloysius Ambrozic Religious figure · 1930–2011
Ranked by global fame across Wikipedia editions (Pantheon project, MIT).
Frequently asked questions
What does the name Aloysius mean?
Latinization of Occitan Aloys, an Occitan form of Louis.
How popular is the name Aloysius in 2025?
Aloysius ranked #4,864 among boys' names in the United States in 2025, with 20 babies given the name, according to Social Security Administration data.
How many people are named Aloysius?
5,724 babies have been named Aloysius in the United States since 1880, based on Social Security card applications.
When was the name Aloysius most popular?
Aloysius peaked in 1916, when 199 newborns received the name.
Is Aloysius a boy or girl name?
Aloysius is overwhelmingly a boy's name — 100% of babies with the name.
Is the name Aloysius rising or falling?
Aloysius is on the rise — noticeably more popular now than a decade ago.
Who are famous people named Aloysius?
Well-known people named Aloysius include Aloysius Gonzaga (religious figure), Aloysius Stepinac (religious figure), Aloysius Lilius (mathematician).