How old is someone named Alfonso?
The average Alfonso is 41 years old.
Half of all living Alfonsos are between 24 and 57.
When was Alfonso popular?
Alfonso has never really gone out of style. Parents have chosen it every year for more than a century; its busiest year was 1991.
Popular names of 1991 · The most popular names of the 1990s →
Show the numbers by decade
| Born in | Babies born | Alive today |
|---|---|---|
| 1900s | 338 | 0 |
| 1910s | 1,649 | 0 |
| 1920s | 3,305 | under 100 |
| 1930s | 2,997 | 360 |
| 1940s | 2,999 | 1,300 |
| 1950s | 3,830 | 2,500 |
| 1960s | 3,791 | 3,100 |
| 1970s | 4,141 | 3,700 |
| 1980s | 4,559 | 4,300 |
| 1990s | 5,207 | 5,000 |
| 2000s | 4,508 | 4,400 |
| 2010s | 2,680 | 2,700 |
| 2020s | 1,424 | 1,400 |
How many Alfonsos are still alive?
About 29,000 Alfonsos are alive in the US today. That's 69% of the roughly 42,000 babies named Alfonso since 1881.
Roughly half of all Alfonsos ever born are still living.
What generation is the name Alfonso?
About one in four living Alfonsos are Millennials, born between 1981 and 1996.
Is Alfonso an old name?
Somewhat. Alfonso is older than 67 in 100 names on AgeByName, but younger than plenty of classics.
Looking ahead: if babies keep getting the name at today's pace, the typical Alfonso will be 48 in 2056, so the name is aging slowly.
Is Alfonso a boy or girl name?
Almost entirely boys: 99.7% of living Alfonsos are men.
Names the same age as Alfonso
NAME TWIN
Alfonso's name twin is Manuel. Of all 3,713 names on AgeByName, Manuel's age curve is the closest match to Alfonso's: 96% alike.
Other spellings: Alphonso (54)
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Questions about the name Alfonso
How old is the average Alfonso?
The average Alfonso in the US is 41 years old. The median is 38, so half are older and half younger.
How many people are named Alfonso?
About 29,000 Alfonsos are alive in the US today, out of roughly 42,000 babies given the name since 1881.
When was the name Alfonso most popular?
In 1991, when about 580 baby boys were named Alfonso.
Is Alfonso a Millennial name?
Partly. Millennials are the largest group, about 26% of living Alfonsos, but the name spans several generations.
Estimates from Social Security Administration baby-name records (births 1880–2025) and SSA cohort life tables (2026 Trustees Report). Updated each spring. How we calculate this