Compare two names
Sydelle and Illa side by side: Sydelle peaked in 1930 and Illa in 1926; in 2025 they were given to 9 and 10 babies.
Sydelle and Illa, year by year
Girls and boys together; Sydelle solid, Illa dashed.
| Sydelle | Illa | |
|---|---|---|
| Births 2025 | 9 | 10 |
| Rank 2025 | #10,819 among girls’ names | #9,708 among girls’ names |
| Recorded since 1880 | 754 | 1,800 |
| Peak year | 1930 | 1926 |
| Girls | 100% | 100% |
| Alive, estimated | 195 | 560 |
| Median age | 73 | 72 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.