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 #10943

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Which name is more popular?

Metric Guillermo Guido
Current Rank #831 #10943
Total Births (all years) 31,807 3,352
Peak Year 1998 1921
Peak Year Births 693 140
Peak Decade 1990ss 1920ss
Gender Boy Boy
First Recorded Year 1885 1904

Births by Decade

Decade Guillermo Guido
1880ss 5 —
1890ss 13 —
1900ss 44 40
1910ss 253 733
1920ss 821 1,012
1930ss 783 354
1940ss 943 159
1950ss 1,495 204
1960ss 2,107 251
1970ss 3,357 195
1980ss 4,364 165
1990ss 6,462 110
2000ss 6,095 95
2010ss 3,615 28
2020ss 1,450 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 292 —
2024 297 6

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, 1885–2024.

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