Compare two names
Llewelyn and Llewellyn side by side: Llewelyn peaked in 2024 and Llewellyn in 1918; in 2025 they were given to 17 and 27 babies.
Llewelyn and Llewellyn, year by year
Girls and boys together; Llewelyn solid, Llewellyn dashed.
| Llewelyn | Llewellyn | |
|---|---|---|
| Births 2025 | 17 | 27 |
| Rank 2025 | #5,514 among boys’ names | #5,747 among boys’ names |
| Recorded since 1880 | 188 | 3,755 |
| Peak year | 2024 | 1918 |
| Girls | 5% | 9% |
| Alive, estimated | 145 | 1,480 |
| Median age | 5 | 59 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.