Compare two names
Julio and Guillermo side by side: Julio peaked in 1990 and Guillermo in 1998; in 2025 they were given to 436 and 264 babies.
Julio and Guillermo, year by year
Girls and boys together; Julio solid, Guillermo dashed.
| Julio | Guillermo | |
|---|---|---|
| Births 2025 | 436 | 264 |
| Rank 2025 | #641 among boys’ names | #902 among boys’ names |
| Recorded since 1880 | 64,197 | 32,148 |
| Peak year | 1990 | 1998 |
| Girls | 1% | 0.2% |
| Alive, estimated | 56,800 | 27,900 |
| Median age | 31 | 31 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.