Country houses of this kind were built across Ireland in considerable numbers during the eighteenth and nineteenth centuries, typically by Anglo-Irish landowning families who wanted something more comfortable than a fortified tower but less formal than a great estate seat. They occupy a middle register of Irish architectural history, substantial enough to signal status, modest enough to have been largely passed over by the grander surveys.

Without more detailed local records to draw on, the specific history of Underhill, its builders, its owners, and the changes it may have undergone over the generations, remains difficult to reconstruct with any confidence. What can be said is that Cork's countryside contains a great many such houses in varying states of survival, some still in private use, others long since ruined or converted, their walled gardens gone to bramble and their stable yards repurposed or simply lost. The story of any one of them tends to mirror the broader pattern of post-Famine consolidation, Land War transfers, and the upheavals of the early twentieth century that reshaped landownership across the county.