How Many People Are Named Aloysius?
people named Aloysius are alive in the United States today (estimate)
About 1 in 252,239 people in the US has this name
Based on 5,724 babies named Aloysius in Social Security records from 1880 to 2025, and the share of each birth year still alive in 2025.
Popularity Rank
💎💎 Very Rare
Peak Year
199 births
Trend
Stable (last 10 years)
📖 Name Origin & Meaning
Meaning:
Latinized form of Aloys, an old Occitan form of LOUIS. This was the name of a 16th-century Italian saint, Aloysius Gonzaga. The name has been in occasional use among Catholics since his time.
Source of the meaning, origin, pronunciation and related names: Behind the Name.
⚧ Gender Distribution
All of the babies given the name Aloysius in the records were boys.
👥 Age Distribution
The average person named Aloysius alive today is about 47 years old, and 39% are 60 or older. Half of them were between 21 and 70 in 2025.
📈 Popularity Over Time
Aloysius first appears in the records in 1880 and was given most often in 1916, to 199 babies. In 2025, 20 babies got the name.
Babies given the name each year, 1880 to 2025
🏆 Rank History
Aloysius has never been one of the 100 most popular boys' names. Its best rank was #312, in 1893. In 2025 it ranked #4,863.
| Boys | |
|---|---|
| Rank in 2025 | #4,863 |
| Best rank | #312 (1893) |
| Years in the top 100 | None |
| Rank in its biggest decade | #505 in the 1920s |
📍 State-Wise Distribution
People named Aloysius alive today, by the state where they were born (estimate; state records start in 1910).
More people named Aloysius were born in Pennsylvania than in any other state: about 59 of those alive today. Compared with the national rate in the same years, Aloysius was given 3.9 times as often in Wisconsin, 3.2 times in Pennsylvania and 3 times in Michigan.
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