Compare two names
Jeff and Jef side by side: Jeff peaked in 1961 and Jef in 1963; in 2025 they were given to 35 and 0 babies.
Jeff and Jef, year by year
Girls and boys together; Jeff solid, Jef dashed.
| Jeff | Jef | |
|---|---|---|
| Births 2025 | 35 | 0 |
| Rank 2025 | #3,341 among boys’ names | not ranked |
| Recorded since 1880 | 120,502 | 129 |
| Peak year | 1961 | 1963 |
| Girls | 0.2% | 0% |
| Alive, estimated | 88,700 | 102 |
| Median age | 63 | 63 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.