by Mary G Johnson. 52p

The book provides a comprehensive exploration of the genealogical history of the Johnson family, specifically focusing on Mary Gleeson Johnson's ancestry. It delves into various branches of her family, including the Gleason, Flinn, Tobin, and O'Mahony families from County Cork, while also tracing the lineage of related clans. The research utilizes a range of historical sources, such as census data, parish registers, and valuation records, to construct a detailed narrative of the family's origins and connections to significant local historical events, particularly those related to Cork Harbour and its naval history.