Compare two names
Guillermo and Guilherme side by side: Guillermo peaked in 1998 and Guilherme in 2006; in 2025 they were given to 264 and 8 babies.
Guillermo and Guilherme, year by year
Girls and boys together; Guillermo solid, Guilherme dashed.
| Guillermo | Guilherme | |
|---|---|---|
| Births 2025 | 264 | 8 |
| Rank 2025 | #902 among boys’ names | #9,191 among boys’ names |
| Recorded since 1880 | 32,148 | 522 |
| Peak year | 1998 | 2006 |
| Girls | 0.2% | 0% |
| Alive, estimated | 27,900 | 508 |
| Median age | 31 | 19 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.