Very little has been formally documented about the house, which means it sits at the edge of the historical map, known locally but largely uncharted in any wider account of the region's built heritage.

Without more detailed source material, it is difficult to say with confidence when the house was built, who commissioned it, or what architectural tradition it belongs to. County Galway has a well-layered history of country houses, from substantial landlord seats to more modest Georgian and Victorian rural dwellings, and Brooklawn likely fits somewhere within that broad picture. The townland name Ballynamurdoon suggests older Gaelic roots beneath whatever later construction stands there now, though tracing that connection would require local knowledge beyond what is currently recorded.