Hay valley or hay clearing
Haydin is a modern spelling variant of Hayden. It is derived from the Old English elements 'heg', meaning hay, and 'denu', meaning valley, or 'dun', meaning hill. While originally a surname, it has become a popular given name in various spelling forms.
About 7 boys were named Haydin in 2025.
US births per 5-year period, 1990–present (SSA data).
