Compare two names
Isai and Isaiah side by side: Isai peaked in 2007 and Isaiah in 2006; in 2025 they were given to 197 and 5,273 babies.
Isai and Isaiah, year by year
Girls and boys together; Isai solid, Isaiah dashed.
| Isai | Isaiah | |
|---|---|---|
| Births 2025 | 197 | 5,273 |
| Rank 2025 | #1,139 among boys’ names | #57 among boys’ names |
| Recorded since 1880 | 7,385 | 254,710 |
| Peak year | 2007 | 2006 |
| Girls | 1% | 0.3% |
| Alive, estimated | 7,260 | 246,000 |
| Median age | 18 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.