Compare two names
Cass and Caius side by side: Cass peaked in 1989 and Caius in 2025; in 2025 they were given to 19 and 254 babies.
Cass and Caius, year by year
Girls and boys together; Cass solid, Caius dashed.
| Cass | Caius | |
|---|---|---|
| Births 2025 | 19 | 254 |
| Rank 2025 | #5,067 among boys’ names | #927 among boys’ names |
| Recorded since 1880 | 1,993 | 2,329 |
| Peak year | 1989 | 2025 |
| Girls | 7% | 0% |
| Alive, estimated | 1,550 | 2,310 |
| Median age | 38 | 7 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.