Compare two names
Sidonie and Sydnie side by side: Sidonie peaked in 2004 and Sydnie in 2000; in 2025 they were given to 5 and 9 babies.
Sidonie and Sydnie, year by year
Girls and boys together; Sidonie solid, Sydnie dashed.
| Sidonie | Sydnie | |
|---|---|---|
| Births 2025 | 5 | 9 |
| Rank 2025 | #16,924 among girls’ names | #10,820 among girls’ names |
| Recorded since 1880 | 162 | 5,187 |
| Peak year | 2004 | 2000 |
| Girls | 100% | 100% |
| Alive, estimated | 144 | 5,090 |
| Median age | 23 | 25 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.