Girls' name · since 1918
Guillermina
Guillermina has 1,925 recorded births since 1918 in federal Social Security data, most heavily in 1966 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #4,816 of 72,339
- all-time among girls
- 1,925
- born since 1918
- 1970s
- peak decade
1,925 girls have been named Guillermina since 1918, though it isn't currently a top-ranked name.
Social Security Administration records show Guillermina recorded 1,925 times among girls since 1918, though it doesn't currently rank among the most-used girls names, peaking in the 1970s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1918 to 2024.
- #4,816 of 72,339 all-time among girls
- 1,925 born since 1918
- 1970s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Guillermina ranks #4,816 of 72,339 girls' names by all-time recorded births (highest first). 1,925 born since 1918, peaking in the 1970s.
- #4,816 of 72,339
- all-time among girls
- 1,925
- born since 1918
- 1970s
- peak decade
Guillermina's 1,925 recorded births place it above 93.34% of the 72,339 girls names in the full SSA archive.
The state file records this name in 4 jurisdictions, led by California.
Guillermina's usage pattern, beyond the headline number
Splitting Guillermina's full recorded timeline at 1969, 54% of its total births fall in the more recent half of the record versus 46% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1920, with just 5 recorded births -- worth weighing against the 1966 peak of 40 to see the full range of the name's swing in popularity.
Guillermina popularity over time
Annual U.S. births registered with the Social Security Administration · 1918–2024
- Peak year (1966)
- 40
- Annual births at peak, across 107 years of records
Guillermina by decade
1970s is the heaviest window (350 births, 18% of the file).
1970s was Guillermina's strongest decade.
350 babies received the name during that ten-year window, about 18% of all-time use.
Guillermina births by decade
Total births in each ten-year window
- 1910s 6
1910s
6 births
- 1920s 108
1920s
108 births
- 1930s 94
1930s
94 births
- 1940s
1940s
140 births
- 1950s
1950s
274 births
- 1960s
1960s
293 births
- 1970s
1970s
350 births
- 1980s
1980s
251 births
- 1990s
1990s
228 births
- 2000s 121
2000s
121 births
- 2010s 49
2010s
49 births
- 2020s 11
2020s
11 births
What this shows Peak: 1970s at 350 births (18% of all-time use).
How Guillermina compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Guillermina's total volume
Guillermina by state
Where Guillermina concentrates geographically, total births since 1918
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 705 | 36.6% |
| #2 | Texas | | 515 | 26.8% |
| #3 | Illinois | | 11 | 0.6% |
| #4 | Arizona | | 10 | 0.5% |
705 of 1,925 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
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When was Guillermina most popular? ▼
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What to do with Guillermina's data
- Guillermina's decade-level peak was the 1970s (350 total births); usage has since declined to 11 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Guillerminas (705 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Guillermina
Nearby Names Like Guillermina
Names with a similar sound, spelling, or feel to Guillermina
Compare Guillermina side by side: Guillermina vs Guinevere Guillermina vs Guiliana Guillermina vs Guilianna
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Guillermina: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1966)
Similar record span (~106 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1918–2024 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Guillermina draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.