Guillermo vs Guido

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

Name A

Guillermo

Boy name · Rank #831

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Name B

Guido

Boy name · Rank #10993

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Metric Guillermo Guido
Current Rank #831 #10993
Total Births (all years) 32,074 3,352
Peak Year 1998 1921
Peak Year Births 693 140
Peak Decade 1990s 1920s
Gender Boy Boy
First Recorded Year 1885 1904

Births by Decade

Decade Guillermo Guido
1880s 5 -
1890s 13 -
1900s 44 40
1910s 253 733
1920s 821 1,012
1930s 783 354
1940s 943 159
1950s 1,495 204
1960s 2,107 251
1970s 3,357 195
1980s 4,363 165
1990s 6,462 110
2000s 6,095 95
2010s 3,615 28
2020s 1,718 6

Recent Annual Births (2014–present)

Year Guillermo Guido
2014 376 -
2015 389 -
2016 322 -
2017 289 -
2018 314 -
2019 320 5
2020 275 -
2021 299 -
2022 287 -
2023 294 -
2024 299 6
2025 264 -

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, 1885–2025.

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