Heathen or dweller on the heath
Haidan is a rare variant of the English name Hayden. It originates from the Old English words 'hæthen', meaning heathen or pagan, or 'hæg-denu', referring to a hay valley or a dweller on the heath.
Fewer than 5 boys were named Haidan in 2025.
US births per 5-year period, 1990–present (SSA data).
