Alonzo vs Aloysius

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

Name A

Alonzo

Boy name · Rank #512

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Name B

Aloysius

Boy name · Rank #4704

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Which name is more popular?

Metric Alonzo Aloysius
Current Rank #512 #4704
Total Births (all years) 45,955 5,724
Peak Year 2022 1916
Peak Year Births 651 199
Peak Decade 2010s 1920s
Gender Boy Boy
First Recorded Year 1880 1880

Births by Decade

Decade Alonzo Aloysius
1880s 1,088 119
1890s 879 252
1900s 808 261
1910s 2,218 1,372
1920s 2,986 1,477
1930s 2,434 632
1940s 2,647 340
1950s 3,966 254
1960s 4,395 217
1970s 3,490 157
1980s 3,619 144
1990s 4,262 102
2000s 4,329 121
2010s 5,251 161
2020s 3,583 115

Recent Annual Births (2014–present)

Year Alonzo Aloysius
2014 527 11
2015 542 18
2016 499 15
2017 549 28
2018 612 17
2019 634 18
2020 626 18
2021 569 20
2022 651 19
2023 552 17
2024 595 21
2025 590 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, 1880–2025.

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