Alfonso vs Alfonzo

Side-by-side comparison of Alfonso and Alfonzo - popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Alfonso

Boy name · Rank #923

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Name B

Alfonzo

Boy name · Rank #4437

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Which name is more popular?

Metric Alfonso Alfonzo
Current Rank #923 #4437
Total Births (all years) 41,464 5,783
Peak Year 1991 1970
Peak Year Births 574 90
Peak Decade 1990s 1970s
Gender Boy Boy
First Recorded Year 1881 1889

Births by Decade

Decade Alfonso Alfonzo
1880s 43 8
1890s 108 5
1900s 338 83
1910s 1,649 221
1920s 3,294 368
1930s 2,986 382
1940s 2,987 473
1950s 3,819 701
1960s 3,775 669
1970s 4,115 802
1980s 4,537 669
1990s 5,201 586
2000s 4,508 396
2010s 2,680 280
2020s 1,424 140

Recent Annual Births (2014–present)

Year Alfonso Alfonzo
2014 263 29
2015 293 31
2016 229 32
2017 279 25
2018 235 16
2019 229 30
2020 209 22
2021 265 27
2022 252 22
2023 224 19
2024 251 23
2025 223 27

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1881–2025.

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