Guillermo
Recorded for both sexesMillennial2025 rank
#902
down −71 places
2025 births
264
down −35 births
All-time births
32,074
1% of them in 2025
More common than
99%
of all archived spellings recorded for boys, by lifetime births for that sex
- Peak year
- 1998
- 693 births
- Best rank
- #352
- in 1996
- First recorded
- 1885
- #1,002 that year
- Last recorded
- 2025
- still in the data
- Average birth year
- 1987
- weighted by recorded births
- Years recorded
- 125 of 146
- with gaps
Top five years
- 1998693#369Peak
- 1996692#352
- 1994675#357
- 1999665#387
- 1992659#361
Rank over time
Inverted scale — nearer the top is more popular. Unrecorded years are left blank, not drawn as zero.
Best rank #352 in 1996 · peak births 693 in 1998
Boys and girls
Births per year for each sex, on one shared scale. The girls' series is dashed.
● 100% boys■ 0% girls
32,074 boys · 74 girls, all time
Births by decade
Where the name's whole run sits, with the best and worst rank it held in each decade
Trajectory by decade
Where Guillermo has ranked, decade by decade
The band spans each decade's best and worst rank; the line follows its best.