Compare two names
Lyllian and Lillian side by side: Lyllian peaked in 2009 and Lillian in 1920; in 2025 they were given to 5 and 3,966 babies.
Lyllian and Lillian, year by year
Girls and boys together; Lyllian solid, Lillian dashed.
| Lyllian | Lillian | |
|---|---|---|
| Births 2025 | 5 | 3,966 |
| Rank 2025 | #16,335 among girls’ names | #57 among girls’ names |
| Recorded since 1880 | 635 | 476,457 |
| Peak year | 2009 | 1920 |
| Girls | 100% | 99.7% |
| Alive, estimated | 618 | 203,000 |
| Median age | 15 | 18 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.