Designed landscapes, which might include ornamental grounds, planned vistas, artificial water features, or carefully positioned plantings, were typically the work of estate owners who wished to impose order, beauty, or symbolic meaning onto their property. That such a feature exists here suggests the presence, at some point, of a household with both the resources and the inclination to reshape the natural environment according to aesthetic intention.

Unfortunately, the surviving record for this particular site is sparse, and little specific detail can be drawn about its origins, the family responsible for its creation, or the period in which it was laid out. What can be said is that designed landscapes of this kind in the west of Ireland were often associated with the demesne lands of Anglo-Irish estates, many of which were established in the seventeenth and eighteenth centuries. The features they incorporated ranged from walled gardens and ha-has, the sunken boundary ditches that kept livestock off lawns without interrupting the view, to ornamental lakes and tree-lined approaches. Whether any of these specific elements survive at An Roisín is not recorded here.