Compare two names
Slyvester and Sylvester side by side: Slyvester peaked in 1959 and Sylvester in 1920; in 2025 they were given to 0 and 64 babies.
Slyvester and Sylvester, year by year
Girls and boys together; Slyvester solid, Sylvester dashed.
| Slyvester | Sylvester | |
|---|---|---|
| Births 2025 | 0 | 64 |
| Rank 2025 | not ranked | #2,224 among boys’ names |
| Recorded since 1880 | 151 | 43,857 |
| Peak year | 1959 | 1920 |
| Girls | 0% | 1% |
| Alive, estimated | 107 | 17,200 |
| Median age | 59 | 63 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.