Compare two names
Isaia and Isaiah side by side: Isaia peaked in 2007 and Isaiah in 2006; in 2025 they were given to 7 and 5,273 babies.
Isaia and Isaiah, year by year
Girls and boys together; Isaia solid, Isaiah dashed.
| Isaia | Isaiah | |
|---|---|---|
| Births 2025 | 7 | 5,273 |
| Rank 2025 | #10,073 among boys’ names | #57 among boys’ names |
| Recorded since 1880 | 480 | 254,710 |
| Peak year | 2007 | 2006 |
| Girls | 0% | 0.3% |
| Alive, estimated | 472 | 246,000 |
| Median age | 19 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.