A FIELD REPORT ON THE NAME

Guillermo

/ɡiˈjɛr.moʊ/ · boy name · № 901 of 1,000
stately · composed · cinematic

Origin & Meaning

AI-Written
The Spanish equivalent of William, derived from the Germanic elements meaning will and helmet or protection. It entered the Iberian Peninsula via Visigothic influence and established itself over centuries of Spanish usage. The name appeared in the American ledger as early as 1885, long concentrated in border communities before dispersing across the country in the late twentieth century.
Also answers toMemo, Guille

Fig. 1 — Births per annum, 1885–2025

SSA Data
1885 peak: 693 souls, A.D. 1998 2025
2025: 264 born, falling ↘
Estimated Age
33 yrs
Most Guillermos were born around 1998 — joined Facebook while it was still cool.
Peak Reign
1998
№369 that year
Generation
Gen Z, 33%
then Millennial 29% · Gen X 16%
Rarity
Top 2000 all-time
≈32K ever born · now falling
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Estimates from SSA birth records and standard survival rates. Immigration and name changes not counted.

Guillermo grew up with

SSA Data
iPod earbuds·Club Penguin·MySpace Top 8

Generation Distribution — Living Guillermos

SSA Data
Boomer 7%Gen X 16%Millennial 29%Gen Z 33%Gen Alpha 14%

Data vs. Humans

What the data says

SSA Data
SSA: Guillermo peaked in 1998.
Estimated average age: 33.

What people think

Opinion Ledger
Awaiting human data — cast the first votes.
Guillermo sounds like someone born in —

Fig. 2 — Style Coordinates

AI Seed · Votes Override at n=30
Vintage Modern
Formal Casual
Soft Strong
Cast your vote No account · one tap
In your mind, Guillermo sounds more like a —
Voting opens when the ledger goes live. No account. 24h cooldown per question.

Public Opinion Ledger

Ledger Opens Soon
The public has not yet weighed in on Guillermo. Early ballots carry the most weight.

First Impressions

AI-Written
The name Guillermo reads with weight and precision, carrying more syllables than most names called out in an American waiting room. With the median bearer currently thirty-three years old, it belongs firmly to adulthood, neither newborn nor elderly. It suggests a certain composure, the kind associated with a well-ironed collar. The name commands respect right up until an automated phone system attempts the double consonants.

Field Notes

AI-Written
Field Note 01
The name reached its peak in 1998 with 693 recorded births before beginning a slow, steady descent down the chart.
Field Note 02
Over sixty percent of living bearers belong to either the Millennial cohort or Generation Z.
Field Note 03
The record shows nearly all Guillermos registered in the United States have been male.

Notable Guillermos

AI-Written
Guillermo del Torofilmmaker, b. 1964
Guillermo Vilastennis player, b. 1952
Guillermo Diazactor, b. 1975

Adjacent Names

Ephemera — If Guillermo were a…

AI-Written
City
San Antonio
Color
Oxblood
Job
Film archivist
And what of your name?