Hedgerow enclosure or son of Hay
Haysen is likely a modern variant of the English surname Hazen or a patronymic form of Hay. It derives from the Middle English 'hay', referring to a fenced area or hedgerow, often used to denote someone living near an enclosure.
About 18 boys were named Haysen in 2025.
US births per 5-year period, 1990–present (SSA data).
