Compare two names
Isak and Isaac side by side: Isak peaked in 2004 and Isaac in 2007; in 2025 they were given to 38 and 5,963 babies.
Isak and Isaac, year by year
Girls and boys together; Isak solid, Isaac dashed.
| Isak | Isaac | |
|---|---|---|
| Births 2025 | 38 | 5,963 |
| Rank 2025 | #3,153 among boys’ names | #47 among boys’ names |
| Recorded since 1880 | 1,107 | 332,292 |
| Peak year | 2004 | 2007 |
| Girls | 0% | 0.2% |
| Alive, estimated | 1,090 | 299,000 |
| Median age | 19 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.