Compare two names
Zac and Zack side by side: Zac peaked in 2014 and Zack in 2008; in 2025 they were given to 37 and 126 babies.
Zac and Zack, year by year
Girls and boys together; Zac solid, Zack dashed.
| Zac | Zack | |
|---|---|---|
| Births 2025 | 37 | 126 |
| Rank 2025 | #3,236 among boys’ names | #1,435 among boys’ names |
| Recorded since 1880 | 1,600 | 9,012 |
| Peak year | 2014 | 2008 |
| Girls | 0% | 0% |
| Alive, estimated | 1,560 | 6,790 |
| Median age | 14 | 21 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.