Alonzo vs Alonso

Side-by-side comparison of Alonzo and Alonso — 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

Alonso

Boy name · Rank #771

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Which name is more popular?

Metric Alonzo Alonso
Current Rank #512 #771
Total Births (all years) 45,360 11,905
Peak Year 2022 2010
Peak Year Births 651 380
Peak Decade 2010ss 2010ss
Gender Boy Boy
First Recorded Year 1880 1915

Births by Decade

Decade Alonzo Alonso
1880ss 1,088 —
1890ss 879 —
1900ss 808 —
1910ss 2,218 31
1920ss 2,986 66
1930ss 2,434 72
1940ss 2,647 74
1950ss 3,966 146
1960ss 4,394 236
1970ss 3,491 457
1980ss 3,619 837
1990ss 4,262 1,883
2000ss 4,328 3,225
2010ss 5,250 3,311
2020ss 2,990 1,567

Recent Annual Births (2014–present)

Year Alonzo Alonso
2014 527 339
2015 542 333
2016 499 319
2017 549 317
2018 612 300
2019 633 316
2020 625 297
2021 569 318
2022 651 339
2023 551 286
2024 594 327

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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