Total births
633
Boys' name · since 1922
Gillermo
Since 1922, U.S. Social Security records show 633 babies named Gillermo, peaking in 1993. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 633
- total births
- 1922–2011
- years on record
- 1990s
- peak decade
- 22%
- born in that decade
633 boys have been named Gillermo since 1922, though it isn't currently a top-ranked name.
Social Security Administration records show Gillermo recorded 633 times among boys since 1922, though it doesn't currently rank among the most-used boys names, peaking in the 1990s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1922 to 2011.
- 633 total births
- 1922–2011 years on record
- 1990s peak decade
- 22% born in that decade
Data updated Jun 2026
The verdict
633 boys have been named Gillermo since 1922, peaking in the 1990s, last recorded in 2011.
- 633
- total births
- 1922–2011
- years on record
- 1990s
- peak decade
- 22%
- born in that decade
1990s
Peak decade
22% of everyone ever named Gillermo was born in this single decade.
1993
Single peak year
21 babies were named Gillermo in 1993 - its busiest year on record.
Gillermo's usage pattern, beyond the headline number
Splitting Gillermo's full recorded timeline at 1973, 59% of its total births fall in the more recent half of the record versus 41% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1922, with just 5 recorded births -- worth weighing against the 1993 peak of 21 to see the full range of the name's swing in popularity.
Gillermo at a glance
Last recorded 2011Peak year
1993
Current rank
Unranked
Active since
1922
Gillermo popularity over time
Annual U.S. births registered with the Social Security Administration · 1922–2011
- Peak year (1993)
- 21
- Annual births at peak, across 90 years of records
Gillermo by decade
Total births in each ten-year window, peak vs trough at a glance
1990s was Gillermo's strongest decade.
138 babies received the name during that ten-year window, about 22% of all-time use.
Gillermo births by decade
Total births in each ten-year window
- 1920s 55
1920s
55 births
- 1930s 33
1930s
33 births
- 1940s 39
1940s
39 births
- 1950s
1950s
56 births
- 1960s 38
1960s
38 births
- 1970s
1970s
112 births
- 1980s
1980s
103 births
- 1990s
1990s
138 births
- 2000s 54
2000s
54 births
- 2010s 5
2010s
5 births
What this shows Peak: 1990s at 138 births (22% of all-time use).
How Gillermo compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Gillermo's total volume
Gillermo vs 15 similarly-sized boys names
Gillermo by state
Where Gillermo concentrates geographically, total births since 1922
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 140 | 22.1% |
| #2 | Texas | | 74 | 11.7% |
California share of Gillermo's total US births 22.1%
Even split
140 of 633 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Gillermo? ▼
633 babies have been named Gillermo since 1922. It was last recorded in 2011. The peak year was 1993 with 21 births.
When was Gillermo most popular? ▼
Gillermo was most popular in the 1990s decade with 138 total births. The single peak year was 1993.
Where is Gillermo most popular? ▼
The top states for the name Gillermo are California (140 births), Texas (74 births).
How long has the name Gillermo been used? ▼
Gillermo has been recorded in Social Security data since 1922, spanning 90 years of data through 2011.
What names are similar to Gillermo? ▼
Names with a similar sound or spelling include Gilbert, Gilberto, Gil, Giles, and 4 more. These share a common prefix and are also used for boys.
What to do with Gillermo's data
- Gillermo's decade-level peak was the 1990s (138 total births); usage has since declined to 5 in the 2010s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Gillermos (140 births) -- see the full state breakdown if geography matters to your decision. California names
- Weighing it against an alternative? Put two names side by side. Compare names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Gillermo
Nearby Names Like Gillermo
Names with a similar sound, spelling, or feel to Gillermo
Gilbert Boy
#1387 130,148 births
Gilberto Boy
#1433 28,642 births
Gil Boy
#3998 4,971 births
Giles Boy
#5069 4,732 births
Gilford Boy
1,225 births
Compare Gillermo side by side: Gillermo vs Gilbert Gillermo vs Gilberto Gillermo vs Gil
Related Names
Names with a similar number of total births
Data Sources
Data as of June 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, 1922–2011 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Gillermo: Baby Name Since 1922 - 633 Births, Peak 1993." NameAlmanac. Accessed via https://namealmanac.com/name/gillermo. Licensed CC BY-SA 4.0.
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 Gillermo 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 June 2026.