Alfonso
Boy name · #1013 in 2025 · Rare
How old is the name Alfonso? In official American birth records, Alfonso has been tracked continuously since 1881, giving it 144 years of documented American history.
Alfonso is currently the #1013 boy name in the United States — 223 babies received it in 2025. A decade ago it stood at #796, so the name has been falling over the past ten years. Roughly one in every 8,072 boys born in 2025 was named Alfonso.
Babies named Alfonso per year. Source: Official national birth records.
The 144-year story
Alfonso first appears in the Social Security records in 1881, when 6 boys received the name. Its peak came in 1991, when 574 boys were named Alfonso — good for #395 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. 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.
Unlock the 5-year forecast and compare Alfonso against up to 5 other names.
Uniqueness: will there be another Alfonso in class?
On our rarity read — which blends how common Alfonso is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Alfonso will likely be the only one in the room, with the occasional spelling-out as the price.
Where Alfonso is most common
Geography matters for names, and Alfonso is no exception. Adjusted for how many boys are born in each state, Alfonso is most common in TX (0.4 per 1,000), CA (0.3 per 1,000), IL (0.2 per 1,000), FL (0.1 per 1,000) — against a national average of about 0.2 per 1,000 boys. These are per-capita rates, so they show where Alfonso is a genuine regional favorite rather than just where the most babies are born.
Names like Alfonso
Statistically, parents drawn to Alfonso tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Alberto, Alfredo, Orlando, Armando, and Rolando.
AlbertoAlfredoOrlandoArmandoRolandoAlonsoRobertoReynaldo
Rank history (last 25 years)
| Year | Babies named Alfonso | Rank |
|---|---|---|
| 2025 | 223 | #1012 |
| 2024 | 251 | #922 |
| 2023 | 224 | #977 |
| 2022 | 252 | #920 |
| 2021 | 265 | #871 |
| 2020 | 209 | #1007 |
| 2019 | 229 | #942 |
| 2018 | 235 | #915 |
| 2017 | 279 | #811 |
| 2016 | 229 | #927 |
| 2015 | 293 | #796 |
| 2014 | 263 | #849 |
| 2013 | 286 | #787 |
| 2012 | 283 | #797 |
| 2011 | 279 | #795 |
| 2010 | 304 | #746 |
| 2009 | 382 | #649 |
| 2008 | 430 | #588 |
| 2007 | 499 | #521 |
| 2006 | 457 | #550 |
| 2005 | 455 | #534 |
| 2004 | 458 | #523 |
| 2003 | 455 | #521 |
| 2002 | 468 | #493 |
| 2001 | 428 | #521 |
Frequently asked questions
How old is the name Alfonso?
In official American birth records, the name Alfonso first appeared in 1881 (over 144 years ago), when 6 newborn boys received the name. It has over a century of continuous American history.
Is Alfonso a popular boy name?
Alfonso ranked #1013 among boys in 2025 with 223 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #796.
When was the name Alfonso most popular?
Alfonso peaked in 1991, when 574 American boys received the name (ranked #395 that year). Since 1991 the name has declined from that high.
How rare is the name Alfonso?
In 2025, roughly 1 in 8,072 newborn American boys was named Alfonso. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.