Compare two names
Cydne and Sydne side by side: Cydne peaked in 1997 and Sydne in 1996; in 2025 they were given to 0 and 0 babies.
Cydne and Sydne, year by year
Girls and boys together; Cydne solid, Sydne dashed.
| Cydne | Sydne | |
|---|---|---|
| Births 2025 | 0 | 0 |
| Rank 2025 | not ranked | not ranked |
| Recorded since 1880 | 210 | 876 |
| Peak year | 1997 | 1996 |
| Girls | 100% | 100% |
| Alive, estimated | 192 | 819 |
| Median age | 33 | 30 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.