Compare two names
Cylas and Silas side by side: Cylas peaked in 2015 and Silas in 2025; in 2025 they were given to 65 and 4,646 babies.
Cylas and Silas, year by year
Girls and boys together; Cylas solid, Silas dashed.
| Cylas | Silas | |
|---|---|---|
| Births 2025 | 65 | 4,646 |
| Rank 2025 | #2,188 among boys’ names | #71 among boys’ names |
| Recorded since 1880 | 1,034 | 75,649 |
| Peak year | 2015 | 2025 |
| Girls | 0% | 0.2% |
| Alive, estimated | 1,030 | 66,900 |
| Median age | 11 | 9 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.