Compare two names
Isiah and Isaiah side by side: Isiah peaked in 2001 and Isaiah in 2006; in 2025 they were given to 120 and 5,273 babies.
Isiah and Isaiah, year by year
Girls and boys together; Isiah solid, Isaiah dashed.
| Isiah | Isaiah | |
|---|---|---|
| Births 2025 | 120 | 5,273 |
| Rank 2025 | #1,480 among boys’ names | #57 among boys’ names |
| Recorded since 1880 | 24,721 | 254,710 |
| Peak year | 2001 | 2006 |
| Girls | 0.0% | 0.3% |
| Alive, estimated | 19,300 | 246,000 |
| Median age | 26 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.