Alonso vs Alonzo

Side-by-side comparison of Alonso and Alonzo — 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

Alonzo

Boy name · Rank #512

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Which name is more popular?

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

Births by Decade

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

Recent Annual Births (2014–present)

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

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, 1915–2024.

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