Compare two names
Alonza and Alonzo side by side: Alonza peaked in 1961 and Alonzo in 2022; in 2025 they were given to 0 and 590 babies.
Alonza and Alonzo, year by year
Girls and boys together; Alonza solid, Alonzo dashed.
| Alonza | Alonzo | |
|---|---|---|
| Births 2025 | 0 | 590 |
| Rank 2025 | not ranked | #511 among boys’ names |
| Recorded since 1880 | 3,321 | 46,109 |
| Peak year | 1961 | 2022 |
| Girls | 0.2% | 0.3% |
| Alive, estimated | 1,520 | 31,400 |
| Median age | 60 | 33 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.