Guinnevere vs Guillermina

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

Name A

Guinnevere

Girl name · Rank #15694

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Name B

Guillermina

Girl name · Rank #13558

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Which name is more popular?

Metric Guinnevere Guillermina
Current Rank #15694 #13558
Total Births (all years) 25 1,924
Peak Year 1974 1966
Peak Year Births 5 40
Peak Decade 1970ss 1970ss
Gender Girl Girl
First Recorded Year 1974 1918

Births by Decade

Decade Guinnevere Guillermina
1910ss — 6
1920ss — 108
1930ss — 94
1940ss — 140
1950ss — 274
1960ss — 293
1970ss 15 350
1980ss — 251
1990ss — 228
2000ss 5 121
2010ss — 48
2020ss 5 11

Recent Annual Births (2014–present)

Year Guinnevere Guillermina
2014 — 7
2015 — 5
2018 — 8
2019 — 9
2021 — 5
2024 5 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, 1974–2024.

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