Aloysius
Aloysius was the 4864th most popular name for boys in 2025, given to 20 babies. Its best year was 1893, when it ranked 312th; the most babies were born in 1916 (199). Over the last ten years it has moved up 204 places. More babies were named Aloysius in the 1920s than in any other decade.
Meaning Not yet researched how we research meanings
- Rank in 2025
- #4,864 boys, up 183 places since 2020
- Babies in 2025
- 20boys
- Girls and boys
- Almost always a boy’s name2021–2025
- Peak year
- 1916199 babies
- Total since 1880
- 5,724babies recorded
Aloysius popularity since 1880
| Year | Rank (boys) | Babies (boys) |
|---|---|---|
| 2025 | #4,864 | 20 |
| 2020 | #5,047 | 18 |
| 2010 | #6,048 | 14 |
| 2000 | #4,585 | 16 |
| 1990 | #5,009 | 10 |
| 1980 | #2,833 | 16 |
| 1970 | #1,940 | 21 |
| 1960 | #1,552 | 27 |
| 1950 | #1,341 | 29 |
| 1940 | #894 | 50 |
| 1930 | #634 | 93 |
| 1920 | #431 | 194 |
| 1910 | #524 | 29 |
| 1900 | #358 | 37 |
| 1890 | #533 | 13 |
| 1880 | #527 | 12 |
How popular is Aloysius, counting every spelling?
Aloysius has no other common spelling that sounds the same.
How many kids will share the name Aloysius?
20 of the 3,606,400 babies born in the US in 2025 were named Aloysius (0.01 per 1,000 births). For a boy named Aloysius born in 2025, the chance that another child with the same name is in a class of 20 children the same age is under 1 in 50. If every grade liked the name as much as the 2025 babies do, only about one elementary school in 423 (of 430 pupils) would have a child named Aloysius.
Shares of all registered births (NCHS); classes assumed to be children born the same year. How we estimate this.
How old are people named Aloysius?
About 1,300 people born in the US named Aloysius are alive today, with a median age of 49; half are between 21 and 70. That makes Aloysius mostly worn by adults in their thirties to fifties. The wide spread shows a name popular in two different eras.
Babies given the name each year (SSA) times the share of that birth year still alive (SSA life tables). Counts people born in the US only. Method.
Names with a similar history
These names rose and fell in step with Aloysius: their share of US boys followed the most similar curve since 1880. If you like Aloysius, they share its era and feel.
Questions about the name Aloysius
How popular is the name Aloysius?
Aloysius was the 4864th most popular name for boys in 2025, given to 20 babies. Its best year was 1893, when it ranked 312th; the most babies were born in 1916 (199). Over the last ten years it has moved up 204 places. More babies were named Aloysius in the 1920s than in any other decade.
Is Aloysius a boy or girl name?
In 2021–2025, almost always a boy’s name given the name Aloysius in the US.