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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Which name is more popular?

Metric Guilford Guillermo
Current Rank Unranked #831
Total Births (all years) 589 31,807
Peak Year 1923 1998
Peak Year Births 22 693
Peak Decade 1920ss 1990ss
Gender Boy Boy
First Recorded Year 1885 1885

Births by Decade

Decade Guilford Guillermo
1880ss 5 5
1890ss 8 13
1900ss 5 44
1910ss 130 253
1920ss 165 821
1930ss 100 783
1940ss 88 943
1950ss 67 1,495
1960ss 16 2,107
1970ss 5 3,357
1980ss — 4,364
1990ss — 6,462
2000ss — 6,095
2010ss — 3,615
2020ss — 1,450

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 — 292
2024 — 297

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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