Compare two names
Isaac and Issac side by side: Isaac peaked in 2007 and Issac in 2008; in 2025 they were given to 5,963 and 258 babies.
Isaac and Issac, year by year
Girls and boys together; Isaac solid, Issac dashed.
| Isaac | Issac | |
|---|---|---|
| Births 2025 | 5,963 | 258 |
| Rank 2025 | #47 among boys’ names | #915 among boys’ names |
| Recorded since 1880 | 332,292 | 24,571 |
| Peak year | 2007 | 2008 |
| Girls | 0.2% | 0.1% |
| Alive, estimated | 299,000 | 21,700 |
| Median age | 18 | 21 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.