Alonso vs Aloysius

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

Name A

Alonso

Boy name · Rank #771

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Name B

Aloysius

Boy name · Rank #4704

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Which name is more popular?

Metric Alonso Aloysius
Current Rank #771 #4704
Total Births (all years) 12,231 5,724
Peak Year 2010 1916
Peak Year Births 380 199
Peak Decade 2010s 1920s
Gender Boy Boy
First Recorded Year 1915 1880

Births by Decade

Decade Alonso Aloysius
1880s - 119
1890s - 252
1900s - 261
1910s 31 1,372
1920s 66 1,477
1930s 72 632
1940s 74 340
1950s 146 254
1960s 236 217
1970s 457 157
1980s 836 144
1990s 1,883 102
2000s 3,225 121
2010s 3,311 161
2020s 1,894 115

Recent Annual Births (2014–present)

Year Alonso Aloysius
2014 339 11
2015 333 18
2016 319 15
2017 317 28
2018 300 17
2019 316 18
2020 297 18
2021 318 20
2022 340 19
2023 287 17
2024 328 21
2025 324 20

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, 1915–2025.

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