Compare two names
Isaias and Isais side by side: Isaias peaked in 2025 and Isais in 2009; in 2025 they were given to 755 and 7 babies.
Isaias and Isais, year by year
Girls and boys together; Isaias solid, Isais dashed.
| Isaias | Isais | |
|---|---|---|
| Births 2025 | 755 | 7 |
| Rank 2025 | #426 among boys’ names | #10,075 among boys’ names |
| Recorded since 1880 | 18,644 | 208 |
| Peak year | 2025 | 2009 |
| Girls | 0% | 0% |
| Alive, estimated | 17,900 | 204 |
| Median age | 16 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.