Compare two names
Janssen and Jansen side by side: Janssen peaked in 1964 and Jansen in 1994; in 2025 they were given to 0 and 34 babies.
Janssen and Jansen, year by year
Girls and boys together; Janssen solid, Jansen dashed.
| Janssen | Jansen | |
|---|---|---|
| Births 2025 | 0 | 34 |
| Rank 2025 | not ranked | #3,403 among boys’ names |
| Recorded since 1880 | 197 | 2,338 |
| Peak year | 1964 | 1994 |
| Girls | 0% | 9% |
| Alive, estimated | 184 | 2,270 |
| Median age | 35 | 25 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.