Alfonzo Boy
How popular is Alfonzo?
#3,948 boy name in 2025
27 baby boys were named Alfonzo in the US in 2025, making it the 3948th most popular boy name.
Alfonzo popularity over time
| Rank in 2025 | #3,948 for boys (▲ 482 from 2024) |
|---|---|
| Babies in 2025 | 27 boys |
| 10-year trend | Steady (-13% babies vs 2015) |
| Earlier ranks | #3,512 in 2015, #4,422 in 2020 |
| Peak year | 1970 (90 boys) |
| Highest rank | #679 in 1909 |
| First recorded | 1889 |
| Boys vs girls (last 10 years) | 100% boys, 0% girls |
| Chance a classmate shares it | 0.0% in a class of 25 kids born in 2025 |
Alfonzo counting every spelling
Social Security counts each spelling as its own name. Adding together the spellings that sound alike, the Alfonso family of names ranked #828 for boys in 2025 (#782 the year before), with 271 babies in all.
Spellings are grouped by how they sound, using our own rules, so a few groupings may not match how your family says the name.
Where Alfonzo is most popular
Babies named Alfonzo per 1,000 boys born in each state, 2021 to 2025. Darker means more common.
- California: 0.0 per 1,000 (18 boys)
- Texas: 0.0 per 1,000 (10 boys)
Alfonzo by decade
| Decade | Baby boys | Best rank |
|---|---|---|
| 1880s | 8 | #722 |
| 1890s | 5 | #1,120 |
| 1900s | 83 | #679 |
| 1910s | 221 | #927 |
| 1920s | 368 | #995 |
| 1930s | 382 | #821 |
| 1940s | 473 | #867 |
| 1950s | 701 | #785 |
| 1960s | 669 | #856 |
| 1970s | 802 | #848 |
| 1980s | 669 | #1,000 |
| 1990s | 586 | #1,258 |
| 2000s | 396 | #2,191 |
| 2010s | 280 | #3,295 |
| 2020s | 140 | #3,908 |
Boy names about as popular as Alfonzo
Questions
- Is Alfonzo a boy or girl name?
- Alfonzo is mostly a boy name. Over the last 10 years, 100% of babies named Alfonzo were boys.
- How popular is the name Alfonzo?
- 27 baby boys were named Alfonzo in the US in 2025, making it the 3948th most popular boy name.
- When was Alfonzo most popular?
- Alfonzo peaked in 1970, when 90 boys were given the name. Its highest rank was #679 in 1909.
- How many people are named Alfonzo?
- 5,783 babies have been named Alfonzo in the US since 1880. We estimate about 4,073 of them are alive in 2026, with a median age of 47.
- Where is Alfonzo most popular?
- From 2021 to 2025, Alfonzo was most common in California, at 0.0 of every 1,000 boys born there.
Source: Social Security Administration baby name data, 1880 to 2025 (names given to at least 5 babies of a sex in a year). Living-people and median-age figures are our estimates using US life tables. How we calculate.