Hay meadow or hero
Haylen is a modern English name likely derived from the Old English elements 'heg' (hay) and 'leah' (clearing or meadow). It may also be interpreted as a variant of the name Hallen or a creative blend of names like Hayley and Helen. In some contexts, it is associated with the German word for 'hero'.
US births per 5-year period, 1990–present (SSA data).