Guilford vs Guillermo

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

Name A

Guilford

Boy name

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Name B

Guillermo

Boy name · Rank #831

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Metric Guilford Guillermo
Current Rank Unranked #831
Total Births (all years) 589 32,074
Peak Year 1923 1998
Peak Year Births 22 693
Peak Decade 1920s 1990s
Gender Boy Boy
First Recorded Year 1885 1885

Births by Decade

Decade Guilford Guillermo
1880s 5 5
1890s 8 13
1900s 5 44
1910s 130 253
1920s 165 821
1930s 100 783
1940s 88 943
1950s 67 1,495
1960s 16 2,107
1970s 5 3,357
1980s - 4,363
1990s - 6,462
2000s - 6,095
2010s - 3,615
2020s - 1,718

Recent Annual Births (2014–present)

Year Guilford Guillermo
2014 - 376
2015 - 389
2016 - 322
2017 - 289
2018 - 314
2019 - 320
2020 - 275
2021 - 299
2022 - 287
2023 - 294
2024 - 299
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, 1885–1973.

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