Alfonzo
Boy name · #3963 in 2025 · Very rare
How old is the name Alfonzo? In official American birth records, Alfonzo has been tracked continuously since 1889, giving it 136 years of documented American history.
Alfonzo is currently the #3963 boy name in the United States — 27 babies received it in 2025. A decade ago it stood at #3513, so the name has been falling over the past ten years. Roughly one in every 66,667 boys born in 2025 was named Alfonzo.
The 136-year story
Alfonzo first appears in the Social Security records in 1889, when 8 boys received the name. Its peak came in 1970, when 90 boys were named Alfonzo — good for #848 that year. Today's parents encounter it as a name from their grandparents’ generation, which is precisely the vintage window from which names get revived. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Babies named Alfonzo per year. Source: Official national birth records.
Unlock the 5-year forecast and compare Alfonzo against up to 5 other names.
Uniqueness: will there be another Alfonzo in class?
On our rarity read — which blends how common Alfonzo is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Alfonzo will likely be the only one in the room, with the occasional spelling-out as the price.
Where Alfonzo is most common
State-level data for Alfonzo is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Alfonzo
Statistically, parents drawn to Alfonzo tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Arnoldo, Arnulfo, Wilfredo, Eugenio, and Tito.
ArnoldoArnulfoWilfredoEugenioTitoNicolaLeopoldoPietro
Rank history (last 25 years)
| Year | Babies named Alfonzo | Rank |
|---|---|---|
| 2025 | 27 | #3949 |
| 2024 | 23 | #4433 |
| 2023 | 19 | #5075 |
| 2022 | 22 | #4570 |
| 2021 | 27 | #3912 |
| 2020 | 22 | #4426 |
| 2019 | 30 | #3636 |
| 2018 | 16 | #5540 |
| 2017 | 25 | #4105 |
| 2016 | 32 | #3441 |
| 2015 | 31 | #3513 |
| 2014 | 29 | #3617 |
| 2013 | 26 | #3864 |
| 2012 | 33 | #3297 |
| 2011 | 31 | #3434 |
| 2010 | 27 | #3812 |
| 2009 | 41 | #2894 |
| 2008 | 34 | #3286 |
| 2007 | 38 | #3025 |
| 2006 | 44 | #2659 |
| 2005 | 38 | #2803 |
| 2004 | 33 | #3014 |
| 2003 | 33 | #2922 |
| 2002 | 48 | #2195 |
| 2001 | 42 | #2346 |
Frequently asked questions
How old is the name Alfonzo?
In official American birth records, the name Alfonzo first appeared in 1889 (over 136 years ago), when 8 newborn boys received the name. It has over a century of continuous American history.
Is Alfonzo a popular boy name?
Alfonzo ranked #3963 among boys in 2025 with 27 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #3513.
When was the name Alfonzo most popular?
Alfonzo peaked in 1970, when 90 American boys received the name (ranked #848 that year). Since 1970 the name has declined from that high.
How rare is the name Alfonzo?
In 2025, roughly 1 in 66,667 newborn American boys was named Alfonzo. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.