Guillermo
boy name#901 in 2025Guillermo entered the US charts in 1885, peaked at #352 in 1996, ranks #901 today — a steady, dependable choice.
Popularity 1885–2025
#901
rank today
#352
peak (1996)
264
babies in 2025
stable
a steady, dependable choice
Rank by decade
| Decade | Average rank |
|---|---|
| 1880s | #936 |
| 1890s | #925 |
| 1900s | #1077 |
| 1910s | #1149 |
| 1920s | #740 |
| 1930s | #689 |
| 1940s | #680 |
| 1950s | #604 |
| 1960s | #540 |
| 1970s | #433 |
| 1980s | #406 |
| 1990s | #373 |
| 2000s | #434 |
| 2010s | #685 |
| 2020s | #843 |
Strongest states
Over the last decade, Guillermo has been most popular in TX, CA, FL.
Living bearers
About 28,000 people named Guillermo are estimated to be alive in the US today.
The typical Guillermo alive today was born around 1992, making them about 33 years old.
Estimated from official SSA birth records and life tables.
Names similar in popularity
Frequently asked questions
- How popular is the name Guillermo in 2025?
- Guillermo ranks #901 among US boy names in 2025, with 264 babies given the name.
- When was the name Guillermo most popular?
- Guillermo peaked in 1996, reaching #352 among US boy names.
- Will my child share the name Guillermo with classmates?
- Guillermo will almost certainly be the only one in school.
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