Boys' name · since 1883
Alphonsus
Since 1883, U.S. Social Security records show 454 babies named Alphonsus, peaking in 1917. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #8,349 of 45,481
- all-time among boys
- #9,732 of 13,930
- 2025 SSA year
- 454
- born since 1883
- 1920s
- peak decade
454 babies have been named Alphonsus since 1883, making it today's #9732 boys' name.
Social Security Administration records show Alphonsus recorded 454 times among boys since 1883, holding rank #9732 nationally today, ahead of 30% of boys, peaking in the 1920s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1883 to 2025.
- #8,349 of 45,481 all-time among boys
- #9,732 of 13,930 2025 SSA year
- 454 born since 1883
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Alphonsus ranks #8,349 of 45,481 boys' names by all-time recorded births (highest first) and #9,732 of 13,930 among boys' names in 2025. 454 born since 1883, peaking in the 1920s.
- #8,349 of 45,481
- all-time among boys
- #9,732 of 13,930
- 2025 SSA year
- 454
- born since 1883
- 1920s
- peak decade
Alphonsus's 454 recorded births place it above 81.61% of the 45,481 boys names in the full SSA archive.
The state file records this name in 3 jurisdictions, led by Pennsylvania.
How Alphonsus compares
454 Top 46% higher than 54% of 13,930 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
Alphonsus's all-time total is 23% above the median boys name, and Liam still leads by a wide margin.
| Metric | Alphonsus | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 454 | 369 | 358,536 |
| Peak-year births | 28 | 34 | 22,252 |
Alphonsus's usage pattern, beyond the headline number
Splitting Alphonsus's full recorded timeline at 1928, 42% of its total births fall in the more recent half of the record versus 58% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1883, with just 5 recorded births -- worth weighing against the 1917 peak of 28 to see the full range of the name's swing in popularity.
Alphonsus popularity over time
Annual U.S. births registered with the Social Security Administration · 1883–2025
- Peak year (1917)
- 28
- Annual births at peak, across 143 years of records
Alphonsus by decade
1920s is the heaviest window (136 births, 30% of the file).
1920s was Alphonsus's strongest decade.
136 babies received the name during that ten-year window, about 30% of all-time use.
Alphonsus births by decade
Total births in each ten-year window
- 1880s 22
1880s
22 births
- 1890s 30
1890s
30 births
- 1900s 11
1900s
11 births
- 1910s
1910s
93 births
- 1920s
1920s
136 births
- 1930s 45
1930s
45 births
- 1940s 29
1940s
29 births
- 1950s 16
1950s
16 births
- 1960s 16
1960s
16 births
- 1970s 10
1970s
10 births
- 2010s 6
2010s
6 births
- 2020s 40
2020s
40 births
What this shows Peak: 1920s at 136 births (30% of all-time use).
Alphonsus by state
Where Alphonsus concentrates geographically, total births since 1883
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Pennsylvania | | 32 | 7.0% |
| #2 | New York | | 11 | 2.4% |
| #3 | Massachusetts | | 5 | 1.1% |
32 of 454 births nationwide. Compared to a flat distribution across 3 reporting states.
Frequently Asked Questions
How popular is the name Alphonsus? ▼
Where does Alphonsus sit in the SSA name archive? ▼
When was Alphonsus most popular? ▼
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What to do with Alphonsus's data
- Alphonsus's decade-level peak was the 1920s (136 total births); usage has since declined to 40 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Pennsylvania records the most Alphonsuss (32 births) -- see the full state breakdown if geography matters to your decision. Pennsylvania names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Alphonsus
Nearby Names Like Alphonsus
Names with a similar sound, spelling, or feel to Alphonsus
Compare Alphonsus side by side: Alphonsus vs Alphonso Alphonsus vs Alphonse Alphonsus vs Alpha
Related Names
Names with a similar popularity rank to Alphonsus
Nationwide names with similar peak year or record span
Two nationwide peer axes for Alphonsus: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1917)
Similar record span (~142 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1883–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Alphonsus 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 August 2026.