Compare two names
Alfonsa and Alfonso side by side: Alfonsa peaked in 1947 and Alfonso in 1991; in 2025 they were given to 0 and 223 babies.
Alfonsa and Alfonso, year by year
Girls and boys together; Alfonsa solid, Alfonso dashed.
| Alfonsa | Alfonso | |
|---|---|---|
| Births 2025 | 0 | 223 |
| Rank 2025 | not ranked | #1,012 among boys’ names |
| Recorded since 1880 | 155 | 41,579 |
| Peak year | 1947 | 1991 |
| Girls | 7% | 0.3% |
| Alive, estimated | under 100 | 28,800 |
| Median age | n/a | 38 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.