Compare two names
Siah and Si side by side: Siah peaked in 2021 and Si in 2013; in 2025 they were given to 44 and 0 babies.
Siah and Si, year by year
Girls and boys together; Siah solid, Si dashed.
| Siah | Si | |
|---|---|---|
| Births 2025 | 44 | 0 |
| Rank 2025 | #3,930 among boys’ names | not ranked |
| Recorded since 1880 | 586 | 185 |
| Peak year | 2021 | 2013 |
| Girls | 38% | 10% |
| Alive, estimated | 581 | 162 |
| Median age | 8 | 23 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.