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 #4692

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Which name is more popular?

Metric Alonzo Aloysius
Current Rank #512 #4692
Total Births (all years) 45,360 5,704
Peak Year 2022 1916
Peak Year Births 651 199
Peak Decade 2010ss 1920ss
Gender Boy Boy
First Recorded Year 1880 1880

Births by Decade

Decade Alonzo Aloysius
1880ss 1,088 119
1890ss 879 252
1900ss 808 261
1910ss 2,218 1,372
1920ss 2,986 1,477
1930ss 2,434 632
1940ss 2,647 340
1950ss 3,966 254
1960ss 4,394 217
1970ss 3,491 157
1980ss 3,619 144
1990ss 4,262 102
2000ss 4,328 121
2010ss 5,250 161
2020ss 2,990 95

Recent Annual Births (2014–present)

Year Alonzo Aloysius
2014 527 11
2015 542 18
2016 499 15
2017 549 28
2018 612 17
2019 633 18
2020 625 18
2021 569 20
2022 651 19
2023 551 17
2024 594 21

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, 1880–2024.

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