Compare two names
Thaddeus and Thadeus side by side: Thaddeus peaked in 2016 and Thadeus in 1918; in 2025 they were given to 314 and 6 babies.
Thaddeus and Thadeus, year by year
Girls and boys together; Thaddeus solid, Thadeus dashed.
| Thaddeus | Thadeus | |
|---|---|---|
| Births 2025 | 314 | 6 |
| Rank 2025 | #798 among boys’ names | #11,841 among boys’ names |
| Recorded since 1880 | 26,089 | 1,123 |
| Peak year | 2016 | 1918 |
| Girls | 0.1% | 0% |
| Alive, estimated | 17,900 | 763 |
| Median age | 36 | 33 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.