Dovecotes, sometimes called pigeon houses or columbaria, were purpose-built to house domesticated pigeons kept for their meat, eggs, and dung, the last of which was a valued fertiliser. They were a mark of landed status, and their presence on a property generally signals a substantial house or estate in the vicinity, even where that house no longer stands or has fallen into ruin.

Ballydonnellan itself sits in County Galway, in a part of the county where the old Ascendancy landscape of demesnes, walled gardens, and outbuildings has in many cases been absorbed back into farmland or quietly collapsed over the generations. Without further detail about the construction date or the family associated with the property, it is difficult to place the dovecote precisely within the historical record, but structures of this kind in Ireland generally date from the seventeenth to the nineteenth century, when improving landlords brought fashionable English and continental estate practices to their Irish holdings. The birds would have been managed by estate staff, and the building itself was often given more architectural attention than its purely functional purpose might seem to demand.