Total births
5,724
Boys' name · since 1880
Aloysius
Aloysius has 5,724 recorded births since 1880 in federal Social Security data, most heavily in 1916 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #4704
- among boys today
- 5,724
- born since 1880
- 1920s
- peak decade
- 67%
- more common than other boys
Aloysius currently ranks #4704 among boys' names in America, with 5,724 babies recorded since 1880.
According to the U.S. Social Security Administration, Aloysius has been recorded 5,724 times among boys since 1880, currently ranked #4704 nationally and more common than 67% of boys, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1880 to 2025.
- #4704 among boys today
- 5,724 born since 1880
- 1920s peak decade
- 67% more common than other boys
Data updated Jun 2026
The verdict
Aloysius is currently the #4704 boys' name in America, more common than 67% of boys - 5,724 born since 1880, peaking in the 1920s.
- #4704
- among boys today
- 5,724
- born since 1880
- 1920s
- peak decade
- 67%
- more common than other boys
Aloysius vs. every other boys name in current SSA rankings
#4704
of 14,294 boys in use
More common than 67% of names given to boys today.
1920s
Peak decade
26% of everyone ever named Aloysius was born in this single decade.
1916
Single peak year
199 babies were named Aloysius in 1916 - its busiest year on record.
How Aloysius compares
5,724 Top 11% higher than 89% of 14,294 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Aloysius's all-time total is 16x the median boys name, and Liam still leads by a wide margin.
| Metric | Aloysius | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 5,724 | 367 | 358,536 |
| Peak-year births | 199 | 23 | 22,252 |
Aloysius's usage pattern, beyond the headline number
Aloysius splits its recorded history at 1953: 21% of all births land in the more recent half, 79% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 2003 (7 births) -- compare that against the 1916 peak of 199 for a sense of just how much the name's popularity has swung.
Aloysius at a glance
Outside the top 1,000Peak year
1916
Current rank
#4,704
Active since
1880
Aloysius popularity over time
Annual U.S. births registered with the Social Security Administration · 1880–2025
- Peak year (1916)
- 199
- Annual births at peak, across 146 years of records
Aloysius by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Aloysius's strongest decade.
1,477 babies received the name during that ten-year window, about 26% of all-time use.
Aloysius births by decade
Total births in each ten-year window
- 1880s 119
1880s
119 births
- 1890s 252
1890s
252 births
- 1900s 261
1900s
261 births
- 1910s
1910s
1,372 births
- 1920s
1920s
1,477 births
- 1930s
1930s
632 births
- 1940s 340
1940s
340 births
- 1950s 254
1950s
254 births
- 1960s 217
1960s
217 births
- 1970s 157
1970s
157 births
- 1980s 144
1980s
144 births
- 1990s 102
1990s
102 births
- 2000s 121
2000s
121 births
- 2010s 161
2010s
161 births
- 2020s 115
2020s
115 births
What this shows Peak: 1920s at 1,477 births (26% of all-time use).
How Aloysius compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Aloysius's total volume
Aloysius vs 15 similarly-sized boys names
Aloysius by state
Where Aloysius concentrates geographically, total births since 1880
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Pennsylvania | | 733 | 12.8% |
| #2 | Illinois | | 363 | 6.3% |
| #3 | Michigan | | 283 | 4.9% |
| #4 | New York | | 279 | 4.9% |
| #5 | Wisconsin | | 240 | 4.2% |
| #6 | Ohio | | 210 | 3.7% |
| #7 | Minnesota | | 142 | 2.5% |
| #8 | Indiana | | 114 | 2.0% |
Pennsylvania share of Aloysius's total US births 12.8%
Even split
733 of 5,724 births nationwide. Compared to a flat distribution across 20 reporting states.
Aloysius appears in 20 states. Explore state details →
Frequently Asked Questions
How popular is the name Aloysius? ▼
Since 1880, Social Security records show 5,724 babies named Aloysius. Today it holds rank #4704 among boys. Its busiest year on record was 1916, with 199 births.
When was Aloysius most popular? ▼
Aloysius was most popular in the 1920s decade with 1,477 total births. The single peak year was 1916.
Where is Aloysius most popular? ▼
The top states for the name Aloysius are Pennsylvania (733 births), Illinois (363 births), Michigan (283 births).
How long has the name Aloysius been used? ▼
Aloysius has been recorded in Social Security data since 1880, spanning 146 years of data through 2025.
What names are similar to Aloysius? ▼
Names with a similar sound or spelling include Alonzo, Alonso, Alonza, Alois, and 4 more. These share a common prefix and are also used for boys.
What to do with Aloysius's data
- Aloysius's decade-level peak was the 1920s (1,477 total births); usage has since declined to 115 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Pennsylvania records the most Aloysiuss (733 births) -- see the full state breakdown if geography matters to your decision. Pennsylvania names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Aloysius
Nearby Names Like Aloysius
Names with a similar sound, spelling, or feel to Aloysius
Alonzo Boy
#512 45,955 births
Alonso Boy
#771 12,231 births
Alonza Boy
3,315 births
Alois Boy
#10944 2,525 births
Alon Boy
#4603 1,188 births
Compare Aloysius side by side: Aloysius vs Alonzo Aloysius vs Alonso Aloysius vs Alonza
Related Names
Names with a similar popularity rank to Aloysius
Rollin #4703
5,771 births · Peak 1925
Rolland #4705
9,868 births · Peak 1928
Wilfred #4702
29,417 births · Peak 1920
Eber #4706
1,328 births · Peak 2007
Sherman #4701
39,190 births · Peak 1950
Shelton #4707
11,973 births · Peak 1972
Neeom #4700
33 births · Peak 2024
Delmar #4708
14,242 births · Peak 1931
Data Sources
Data as of June 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1880–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Aloysius: #4704 Boys' Name - 5,724 Births, Peak 1916." NameAlmanac. Accessed via https://namealmanac.com/name/aloysius. Licensed CC BY-SA 4.0.
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Aloysius draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.