Boys' name · since 1889
Alfonzo
Alfonzo has 5,783 recorded births since 1889 in federal Social Security data, most heavily in 1970 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #1,628 of 45,481
- all-time among boys
- #3,963 of 13,930
- 2025 SSA year
- 5,783
- born since 1889
- 1970s
- peak decade
5,783 babies have been named Alfonzo since 1889, making it today's #3963 boys' name.
Alfonzo has 5,783 recorded births among boys since 1889, per the U.S. Social Security Administration, ranked #3963 as of the latest data, more common than 72% of boys, busiest in the 1970s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1889 to 2025.
- #1,628 of 45,481 all-time among boys
- #3,963 of 13,930 2025 SSA year
- 5,783 born since 1889
- 1970s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Alfonzo ranks #1,628 of 45,481 boys' names by all-time recorded births (highest first) and #3,963 of 13,930 among boys' names in 2025. 5,783 born since 1889, peaking in the 1970s.
- #1,628 of 45,481
- all-time among boys
- #3,963 of 13,930
- 2025 SSA year
- 5,783
- born since 1889
- 1970s
- peak decade
Alfonzo's 5,783 recorded births place it above 96.42% of the 45,481 boys names in the full SSA archive.
21 jurisdictions carry state-level records, led by California.
How Alfonzo compares
5,783 Top 12% higher than 88% 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
Alfonzo's all-time total is 16x the median boys name, and Liam still leads by a wide margin.
| Metric | Alfonzo | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 5,783 | 369 | 358,536 |
| Peak-year births | 90 | 34 | 22,252 |
Alfonzo's usage pattern, beyond the headline number
Alfonzo splits its recorded history at 1962: 59% of all births land in the more recent half, 41% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1898 (5 births) -- compare that against the 1970 peak of 90 for a sense of just how much the name's popularity has swung.
Alfonzo popularity over time
Annual U.S. births registered with the Social Security Administration · 1889–2025
- Peak year (1970)
- 90
- Annual births at peak, across 137 years of records
Alfonzo by decade
1970s is the heaviest window (802 births, 14% of the file).
1970s was Alfonzo's strongest decade.
802 babies received the name during that ten-year window, about 14% of all-time use.
Alfonzo births by decade
Total births in each ten-year window
- 1880s 8
1880s
8 births
- 1890s 5
1890s
5 births
- 1900s 83
1900s
83 births
- 1910s 221
1910s
221 births
- 1920s
1920s
368 births
- 1930s
1930s
382 births
- 1940s
1940s
473 births
- 1950s
1950s
701 births
- 1960s
1960s
669 births
- 1970s
1970s
802 births
- 1980s
1980s
669 births
- 1990s
1990s
586 births
- 2000s
2000s
396 births
- 2010s 280
2010s
280 births
- 2020s 140
2020s
140 births
What this shows Peak: 1970s at 802 births (14% of all-time use).
How Alfonzo 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 Alfonzo's total volume
Alfonzo by state
Where Alfonzo concentrates geographically, total births since 1889
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 475 | 8.2% |
| #2 | Texas | | 318 | 5.5% |
| #3 | Illinois | | 224 | 3.9% |
| #4 | Georgia | | 195 | 3.4% |
| #5 | North Carolina | | 191 | 3.3% |
| #6 | Alabama | | 112 | 1.9% |
| #7 | New York | | 94 | 1.6% |
| #8 | South Carolina | | 90 | 1.6% |
475 of 5,783 births nationwide. Compared to a flat distribution across 21 reporting states.
Alfonzo appears in 21 states. Explore state details →
Frequently Asked Questions
How popular is the name Alfonzo? ▼
Where does Alfonzo sit in the SSA name archive? ▼
When was Alfonzo most popular? ▼
Where is Alfonzo most popular? ▼
How long has the name Alfonzo been used? ▼
What names are similar to Alfonzo? ▼
What to do with Alfonzo's data
- Alfonzo's decade-level peak was the 1970s (802 total births); usage has since declined to 140 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Alfonzos (475 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Alfonzo
Nearby Names Like Alfonzo
Names with a similar sound, spelling, or feel to Alfonzo
Compare Alfonzo side by side: Alfonzo vs Alfred Alfonzo vs Alfredo Alfonzo vs Alfonso
Related Names
Names with a similar popularity rank to Alfonzo
Nationwide names with similar peak year or record span
Two nationwide peer axes for Alfonzo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1970)
Similar record span (~136 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, 1889–2025 (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 Alfonzo 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.