Haidyn
How to say it: HAY-duhn · /ˈheɪdən/
Modern American respelling of Hayden meaning 'hay valley' - surname-based unisex name.
Haidyn was the 162nd most popular boys’ name in the United States in 2025, given to 73 babies of either sex (Social Security Administration). Its busiest decade was the 2010s, its births are down about 33% in ten years, and it is projected to rise to #153 by 2030.
Updated · SSA 2025 data, published May 2026 · Insee 2025 data, published July 2026 · How we compute these figures
Key facts
| Rank among boys’ names, 2025 | #162 |
|---|---|
| Babies born in 2025 (both sexes) | 73 |
| Share of births | 1 in 1,020 |
| Peak decade | 2010s |
| Change over 10 years | −33% |
| Projected rank for 2030 (estimate) | #153 |
| In France, 2025 | #212 among boys’ names, 0 births |
Sources: Social Security Administration (SSA), Insee (France). How we compute these figures.
Its life, decade by decade
Haidyn is a newcomer: almost all of its history is from the last forty years.
What goes with it
Nicknames
- Hay
- Dyn
Honouring a Haidyn in the family
In the classroom
In a class of 25 children born in 2025, the chance that another child is called Haidyn is about 1 in 43.
Around the world
This spelling is used in English.
In France: #212 for boys in 2025.
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