Compare two names
Haidyn and Haydyn side by side: Haidyn peaked in 2010 and Haydyn in 2009; in 2025 they were given to 73 and 0 babies.
Haidyn and Haydyn, year by year
Girls and boys together; Haidyn solid, Haydyn dashed.
| Haidyn | Haydyn | |
|---|---|---|
| Births 2025 | 73 | 0 |
| Rank 2025 | #3,178 among girls’ names | not ranked |
| Recorded since 1880 | 2,945 | 599 |
| Peak year | 2010 | 2009 |
| Girls | 76% | 51% |
| Alive, estimated | 2,920 | 593 |
| Median age | 14 | 16 |
Both names: SSA national file, published May 8, 2026, and SSA’s cohort life tables.